Finding the Fourth Proportional to 3,931,490,844.72, 5,898,064,498.92 and 1,275,339,524.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931,490,844.72 : 5,898,064,498.92 = 1,275,339,524.49 : x
2. Step 2: Convert to fraction form
   3,931,490,844.72/5,898,064,498.92 = 1,275,339,524.49/x
3. Step 3: Cross multiply
   3,931,490,844.72x = 5,898,064,498.92 × 1,275,339,524.49
4. Step 4: Simplify right side
   3,931,490,844.72x = 7,522,034,773,463,983,104
5. Step 5: Solve for x
   x = 7,522,034,773,463,983,104/3,931,490,844.72
6. Step 6: Final answer
   x = 1,913,277,957.54