Finding the Fourth Proportional to 56,522.88, 84,796.32 and 21,461.76

Step by Step Solution

1. Step 1: Write the proportion equation
   56,522.88 : 84,796.32 = 21,461.76 : x
2. Step 2: Convert to fraction form
   56,522.88/84,796.32 = 21,461.76/x
3. Step 3: Cross multiply
   56,522.88x = 84,796.32 × 21,461.76
4. Step 4: Simplify right side
   56,522.88x = 1,819,878,268.72
5. Step 5: Solve for x
   x = 1,819,878,268.72/56,522.88
6. Step 6: Final answer
   x = 32,197.20