Finding the Fourth Proportional to 147,875.63, 221,831.82 and 57,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,875.63 : 221,831.82 = 57,906.72 : x
2. Step 2: Convert to fraction form
   147,875.63/221,831.82 = 57,906.72/x
3. Step 3: Cross multiply
   147,875.63x = 221,831.82 × 57,906.72
4. Step 4: Simplify right side
   147,875.63x = 12,845,553,087.83
5. Step 5: Solve for x
   x = 12,845,553,087.83/147,875.63
6. Step 6: Final answer
   x = 86,867.28