Finding the Fourth Proportional to 156,323.85, 215,725.99 and 88,362.83

Step by Step Solution

1. Step 1: Write the proportion equation
   156,323.85 : 215,725.99 = 88,362.83 : x
2. Step 2: Convert to fraction form
   156,323.85/215,725.99 = 88,362.83/x
3. Step 3: Cross multiply
   156,323.85x = 215,725.99 × 88,362.83
4. Step 4: Simplify right side
   156,323.85x = 19,062,158,980.95
5. Step 5: Solve for x
   x = 19,062,158,980.95/156,323.85
6. Step 6: Final answer
   x = 121,940.18