Finding the Fourth Proportional to 156,224.38, 215,589.72 and 84,604.72

Step by Step Solution

1. Step 1: Write the proportion equation
   156,224.38 : 215,589.72 = 84,604.72 : x
2. Step 2: Convert to fraction form
   156,224.38/215,589.72 = 84,604.72/x
3. Step 3: Cross multiply
   156,224.38x = 215,589.72 × 84,604.72
4. Step 4: Simplify right side
   156,224.38x = 18,239,907,895.48
5. Step 5: Solve for x
   x = 18,239,907,895.48/156,224.38
6. Step 6: Final answer
   x = 116,754.55