Finding the Fourth Proportional to 56,123.42, 84,188.76 and 16,677.23

Step by Step Solution

1. Step 1: Write the proportion equation
   56,123.42 : 84,188.76 = 16,677.23 : x
2. Step 2: Convert to fraction form
   56,123.42/84,188.76 = 16,677.23/x
3. Step 3: Cross multiply
   56,123.42x = 84,188.76 × 16,677.23
4. Step 4: Simplify right side
   56,123.42x = 1,404,034,892.99
5. Step 5: Solve for x
   x = 1,404,034,892.99/56,123.42
6. Step 6: Final answer
   x = 25,016.92