Finding the Fourth Proportional to 136,397,061.40, 204,570,944.42 and 39,328,903.48

Step by Step Solution

1. Step 1: Write the proportion equation
   136,397,061.40 : 204,570,944.42 = 39,328,903.48 : x
2. Step 2: Convert to fraction form
   136,397,061.40/204,570,944.42 = 39,328,903.48/x
3. Step 3: Cross multiply
   136,397,061.40x = 204,570,944.42 × 39,328,903.48
4. Step 4: Simplify right side
   136,397,061.40x = 8,045,550,927,906,623
5. Step 5: Solve for x
   x = 8,045,550,927,906,623/136,397,061.40
6. Step 6: Final answer
   x = 58,986,248.28