Finding the Fourth Proportional to 82,886.88, 124,242.24 and 56,526.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82,886.88 : 124,242.24 = 56,526.24 : x
2. Step 2: Convert to fraction form
   82,886.88/124,242.24 = 56,526.24/x
3. Step 3: Cross multiply
   82,886.88x = 124,242.24 × 56,526.24
4. Step 4: Simplify right side
   82,886.88x = 7,022,946,676.38
5. Step 5: Solve for x
   x = 7,022,946,676.38/82,886.88
6. Step 6: Final answer
   x = 84,729.29