Finding the Fourth Proportional to 399,636,017.48, 599,495,141.46 and 150,850,830.48

Step by Step Solution

1. Step 1: Write the proportion equation
   399,636,017.48 : 599,495,141.46 = 150,850,830.48 : x
2. Step 2: Convert to fraction form
   399,636,017.48/599,495,141.46 = 150,850,830.48/x
3. Step 3: Cross multiply
   399,636,017.48x = 599,495,141.46 × 150,850,830.48
4. Step 4: Simplify right side
   399,636,017.48x = 90,434,339,957,966,080
5. Step 5: Solve for x
   x = 90,434,339,957,966,080/399,636,017.48
6. Step 6: Final answer
   x = 226,291,765.52