Finding the Fourth Proportional to 156,025.50, 215,314.02 and 84,404.49

Step by Step Solution

1. Step 1: Write the proportion equation
   156,025.50 : 215,314.02 = 84,404.49 : x
2. Step 2: Convert to fraction form
   156,025.50/215,314.02 = 84,404.49/x
3. Step 3: Cross multiply
   156,025.50x = 215,314.02 × 84,404.49
4. Step 4: Simplify right side
   156,025.50x = 18,173,470,047.95
5. Step 5: Solve for x
   x = 18,173,470,047.95/156,025.50
6. Step 6: Final answer
   x = 116,477.56