Finding the Fourth Proportional to 82,460.83, 113,725.69 and 63,386.77

Step by Step Solution

1. Step 1: Write the proportion equation
   82,460.83 : 113,725.69 = 63,386.77 : x
2. Step 2: Convert to fraction form
   82,460.83/113,725.69 = 63,386.77/x
3. Step 3: Cross multiply
   82,460.83x = 113,725.69 × 63,386.77
4. Step 4: Simplify right side
   82,460.83x = 7,208,704,155.12
5. Step 5: Solve for x
   x = 7,208,704,155.12/82,460.83
6. Step 6: Final answer
   x = 87,419.74