Finding the Fourth Proportional to 58,333.50, 87,513.21 and 21,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,333.50 : 87,513.21 = 21,397.50 : x
2. Step 2: Convert to fraction form
   58,333.50/87,513.21 = 21,397.50/x
3. Step 3: Cross multiply
   58,333.50x = 87,513.21 × 21,397.50
4. Step 4: Simplify right side
   58,333.50x = 1,872,563,910.98
5. Step 5: Solve for x
   x = 1,872,563,910.98/58,333.50
6. Step 6: Final answer
   x = 32,101.00