Finding the Fourth Proportional to 243,534.60, 336,081.56 and 136,111.59

Step by Step Solution

1. Step 1: Write the proportion equation
   243,534.60 : 336,081.56 = 136,111.59 : x
2. Step 2: Convert to fraction form
   243,534.60/336,081.56 = 136,111.59/x
3. Step 3: Cross multiply
   243,534.60x = 336,081.56 × 136,111.59
4. Step 4: Simplify right side
   243,534.60x = 45,744,594,820.72
5. Step 5: Solve for x
   x = 45,744,594,820.72/243,534.60
6. Step 6: Final answer
   x = 187,836.12