Finding the Fourth Proportional to 147,422.89, 221,003.37 and 57,444.74

Step by Step Solution

1. Step 1: Write the proportion equation
   147,422.89 : 221,003.37 = 57,444.74 : x
2. Step 2: Convert to fraction form
   147,422.89/221,003.37 = 57,444.74/x
3. Step 3: Cross multiply
   147,422.89x = 221,003.37 × 57,444.74
4. Step 4: Simplify right side
   147,422.89x = 12,695,480,023.76
5. Step 5: Solve for x
   x = 12,695,480,023.76/147,422.89
6. Step 6: Final answer
   x = 86,116.07