Finding the Fourth Proportional to 353,604.71, 488,192.52 and 243,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,604.71 : 488,192.52 = 243,411.50 : x
2. Step 2: Convert to fraction form
   353,604.71/488,192.52 = 243,411.50/x
3. Step 3: Cross multiply
   353,604.71x = 488,192.52 × 243,411.50
4. Step 4: Simplify right side
   353,604.71x = 118,831,671,141.02
5. Step 5: Solve for x
   x = 118,831,671,141.02/353,604.71
6. Step 6: Final answer
   x = 336,057.95