Finding the Fourth Proportional to 156,268.71, 215,613.50 and 92,595.42

Step by Step Solution

1. Step 1: Write the proportion equation
   156,268.71 : 215,613.50 = 92,595.42 : x
2. Step 2: Convert to fraction form
   156,268.71/215,613.50 = 92,595.42/x
3. Step 3: Cross multiply
   156,268.71x = 215,613.50 × 92,595.42
4. Step 4: Simplify right side
   156,268.71x = 19,964,822,127.19
5. Step 5: Solve for x
   x = 19,964,822,127.19/156,268.71
6. Step 6: Final answer
   x = 127,759.56