Finding the Fourth Proportional to 147,222.32, 203,185.16 and 83,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,222.32 : 203,185.16 = 83,580.72 : x
2. Step 2: Convert to fraction form
   147,222.32/203,185.16 = 83,580.72/x
3. Step 3: Cross multiply
   147,222.32x = 203,185.16 × 83,580.72
4. Step 4: Simplify right side
   147,222.32x = 16,982,361,966.12
5. Step 5: Solve for x
   x = 16,982,361,966.12/147,222.32
6. Step 6: Final answer
   x = 115,351.82