Finding the Fourth Proportional to 58,782.31, 88,150.68 and 21,333.27

Step by Step Solution

1. Step 1: Write the proportion equation
   58,782.31 : 88,150.68 = 21,333.27 : x
2. Step 2: Convert to fraction form
   58,782.31/88,150.68 = 21,333.27/x
3. Step 3: Cross multiply
   58,782.31x = 88,150.68 × 21,333.27
4. Step 4: Simplify right side
   58,782.31x = 1,880,542,587.69
5. Step 5: Solve for x
   x = 1,880,542,587.69/58,782.31
6. Step 6: Final answer
   x = 31,991.64