Finding the Fourth Proportional to 58,874.97, 88,320.06 and 21,429.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,874.97 : 88,320.06 = 21,429.30 : x
2. Step 2: Convert to fraction form
   58,874.97/88,320.06 = 21,429.30/x
3. Step 3: Cross multiply
   58,874.97x = 88,320.06 × 21,429.30
4. Step 4: Simplify right side
   58,874.97x = 1,892,637,061.76
5. Step 5: Solve for x
   x = 1,892,637,061.76/58,874.97
6. Step 6: Final answer
   x = 32,146.72