Finding the Fourth Proportional to 456,160,522.51, 629,514,800.83 and 257,917,761.01

Step by Step Solution

1. Step 1: Write the proportion equation
   456,160,522.51 : 629,514,800.83 = 257,917,761.01 : x
2. Step 2: Convert to fraction form
   456,160,522.51/629,514,800.83 = 257,917,761.01/x
3. Step 3: Cross multiply
   456,160,522.51x = 629,514,800.83 × 257,917,761.01
4. Step 4: Simplify right side
   456,160,522.51x = 162,363,047,952,729,696
5. Step 5: Solve for x
   x = 162,363,047,952,729,696/456,160,522.51
6. Step 6: Final answer
   x = 355,934,018.71