Finding the Fourth Proportional to 56,583.72, 84,880.86 and 21,513.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,583.72 : 84,880.86 = 21,513.96 : x
2. Step 2: Convert to fraction form
   56,583.72/84,880.86 = 21,513.96/x
3. Step 3: Cross multiply
   56,583.72x = 84,880.86 × 21,513.96
4. Step 4: Simplify right side
   56,583.72x = 1,826,123,426.81
5. Step 5: Solve for x
   x = 1,826,123,426.81/56,583.72
6. Step 6: Final answer
   x = 32,272.95