Finding the Fourth Proportional to 56,601.91, 84,939.72 and 21,541.87

Step by Step Solution

1. Step 1: Write the proportion equation
   56,601.91 : 84,939.72 = 21,541.87 : x
2. Step 2: Convert to fraction form
   56,601.91/84,939.72 = 21,541.87/x
3. Step 3: Cross multiply
   56,601.91x = 84,939.72 × 21,541.87
4. Step 4: Simplify right side
   56,601.91x = 1,829,760,406.08
5. Step 5: Solve for x
   x = 1,829,760,406.08/56,601.91
6. Step 6: Final answer
   x = 32,326.83