Finding the Fourth Proportional to 82,913.18, 114,414.72 and 46,620.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,913.18 : 114,414.72 = 46,620.20 : x
2. Step 2: Convert to fraction form
   82,913.18/114,414.72 = 46,620.20/x
3. Step 3: Cross multiply
   82,913.18x = 114,414.72 × 46,620.20
4. Step 4: Simplify right side
   82,913.18x = 5,334,037,129.34
5. Step 5: Solve for x
   x = 5,334,037,129.34/82,913.18
6. Step 6: Final answer
   x = 64,332.80