Finding the Fourth Proportional to 156,268.50, 215,651.56 and 84,648.52

Step by Step Solution

1. Step 1: Write the proportion equation
   156,268.50 : 215,651.56 = 84,648.52 : x
2. Step 2: Convert to fraction form
   156,268.50/215,651.56 = 84,648.52/x
3. Step 3: Cross multiply
   156,268.50x = 215,651.56 × 84,648.52
4. Step 4: Simplify right side
   156,268.50x = 18,254,585,389.69
5. Step 5: Solve for x
   x = 18,254,585,389.69/156,268.50
6. Step 6: Final answer
   x = 116,815.52