Finding the Fourth Proportional to 243,490.43, 336,010.34 and 136,061.34

Step by Step Solution

1. Step 1: Write the proportion equation
   243,490.43 : 336,010.34 = 136,061.34 : x
2. Step 2: Convert to fraction form
   243,490.43/336,010.34 = 136,061.34/x
3. Step 3: Cross multiply
   243,490.43x = 336,010.34 × 136,061.34
4. Step 4: Simplify right side
   243,490.43x = 45,718,016,433.95
5. Step 5: Solve for x
   x = 45,718,016,433.95/243,490.43
6. Step 6: Final answer
   x = 187,761.04