Finding the Fourth Proportional to 441,880,500.18, 609,822,308.72 and 243,641,381.91

Step by Step Solution

1. Step 1: Write the proportion equation
   441,880,500.18 : 609,822,308.72 = 243,641,381.91 : x
2. Step 2: Convert to fraction form
   441,880,500.18/609,822,308.72 = 243,641,381.91/x
3. Step 3: Cross multiply
   441,880,500.18x = 609,822,308.72 × 243,641,381.91
4. Step 4: Simplify right side
   441,880,500.18x = 148,577,950,016,087,456
5. Step 5: Solve for x
   x = 148,577,950,016,087,456/441,880,500.18
6. Step 6: Final answer
   x = 336,240,114.59