Finding the Fourth Proportional to 39,159,589,061.38, 58,739,310,221.39 and 12,270,215,342.74

Step by Step Solution

1. Step 1: Write the proportion equation
   39,159,589,061.38 : 58,739,310,221.39 = 12,270,215,342.74 : x
2. Step 2: Convert to fraction form
   39,159,589,061.38/58,739,310,221.39 = 12,270,215,342.74/x
3. Step 3: Cross multiply
   39,159,589,061.38x = 58,739,310,221.39 × 12,270,215,342.74
4. Step 4: Simplify right side
   39,159,589,061.38x = 720,743,985,500,109,144,064
5. Step 5: Solve for x
   x = 720,743,985,500,109,144,064/39,159,589,061.38
6. Step 6: Final answer
   x = 18,405,300,024.23