Finding the Fourth Proportional to 82,931.56, 124,397.02 and 69,051.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82,931.56 : 124,397.02 = 69,051.24 : x
2. Step 2: Convert to fraction form
   82,931.56/124,397.02 = 69,051.24/x
3. Step 3: Cross multiply
   82,931.56x = 124,397.02 × 69,051.24
4. Step 4: Simplify right side
   82,931.56x = 8,589,768,483.30
5. Step 5: Solve for x
   x = 8,589,768,483.30/82,931.56
6. Step 6: Final answer
   x = 103,576.59