Finding the Fourth Proportional to 56,770.96, 85,156.56 and 21,714.16

Step by Step Solution

1. Step 1: Write the proportion equation
   56,770.96 : 85,156.56 = 21,714.16 : x
2. Step 2: Convert to fraction form
   56,770.96/85,156.56 = 21,714.16/x
3. Step 3: Cross multiply
   56,770.96x = 85,156.56 × 21,714.16
4. Step 4: Simplify right side
   56,770.96x = 1,849,103,168.89
5. Step 5: Solve for x
   x = 1,849,103,168.89/56,770.96
6. Step 6: Final answer
   x = 32,571.29