Finding the Fourth Proportional to 60,789.31, 91,223.97 and 21,345.37

Step by Step Solution

1. Step 1: Write the proportion equation
   60,789.31 : 91,223.97 = 21,345.37 : x
2. Step 2: Convert to fraction form
   60,789.31/91,223.97 = 21,345.37/x
3. Step 3: Cross multiply
   60,789.31x = 91,223.97 × 21,345.37
4. Step 4: Simplify right side
   60,789.31x = 1,947,209,084.41
5. Step 5: Solve for x
   x = 1,947,209,084.41/60,789.31
6. Step 6: Final answer
   x = 32,032.10