Finding the Fourth Proportional to 399,635,552.17, 599,494,437.17 and 150,850,365.72

Step by Step Solution

1. Step 1: Write the proportion equation
   399,635,552.17 : 599,494,437.17 = 150,850,365.72 : x
2. Step 2: Convert to fraction form
   399,635,552.17/599,494,437.17 = 150,850,365.72/x
3. Step 3: Cross multiply
   399,635,552.17x = 599,494,437.17 × 150,850,365.72
4. Step 4: Simplify right side
   399,635,552.17x = 90,433,955,094,200,048
5. Step 5: Solve for x
   x = 90,433,955,094,200,048/399,635,552.17
6. Step 6: Final answer
   x = 226,291,065.96