Finding the Fourth Proportional to 243,501.52, 336,031.55 and 136,071.56

Step by Step Solution

1. Step 1: Write the proportion equation
   243,501.52 : 336,031.55 = 136,071.56 : x
2. Step 2: Convert to fraction form
   243,501.52/336,031.55 = 136,071.56/x
3. Step 3: Cross multiply
   243,501.52x = 336,031.55 × 136,071.56
4. Step 4: Simplify right side
   243,501.52x = 45,724,337,217.72
5. Step 5: Solve for x
   x = 45,724,337,217.72/243,501.52
6. Step 6: Final answer
   x = 187,778.45