Finding the Fourth Proportional to 82,826.62, 124,302.87 and 60,697.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,826.62 : 124,302.87 = 60,697.78 : x
2. Step 2: Convert to fraction form
   82,826.62/124,302.87 = 60,697.78/x
3. Step 3: Cross multiply
   82,826.62x = 124,302.87 × 60,697.78
4. Step 4: Simplify right side
   82,826.62x = 7,544,908,256.63
5. Step 5: Solve for x
   x = 7,544,908,256.63/82,826.62
6. Step 6: Final answer
   x = 91,092.79