Finding the Fourth Proportional to 58,342.50, 87,526.71 and 21,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,342.50 : 87,526.71 = 21,406.50 : x
2. Step 2: Convert to fraction form
   58,342.50/87,526.71 = 21,406.50/x
3. Step 3: Cross multiply
   58,342.50x = 87,526.71 × 21,406.50
4. Step 4: Simplify right side
   58,342.50x = 1,873,640,517.62
5. Step 5: Solve for x
   x = 1,873,640,517.62/58,342.50
6. Step 6: Final answer
   x = 32,114.51