Finding the Fourth Proportional to 653,426,397.39, 901,723,436.17 and 356,067,719.98

Step by Step Solution

1. Step 1: Write the proportion equation
   653,426,397.39 : 901,723,436.17 = 356,067,719.98 : x
2. Step 2: Convert to fraction form
   653,426,397.39/901,723,436.17 = 356,067,719.98/x
3. Step 3: Cross multiply
   653,426,397.39x = 901,723,436.17 × 356,067,719.98
4. Step 4: Simplify right side
   653,426,397.39x = 321,074,607,968,963,328
5. Step 5: Solve for x
   x = 321,074,607,968,963,328/653,426,397.39
6. Step 6: Final answer
   x = 491,370,733.19