Finding the Fourth Proportional to 82,615.72, 113,999.61 and 46,308.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,615.72 : 113,999.61 = 46,308.78 : x
2. Step 2: Convert to fraction form
   82,615.72/113,999.61 = 46,308.78/x
3. Step 3: Cross multiply
   82,615.72x = 113,999.61 × 46,308.78
4. Step 4: Simplify right side
   82,615.72x = 5,279,182,986.50
5. Step 5: Solve for x
   x = 5,279,182,986.50/82,615.72
6. Step 6: Final answer
   x = 63,900.47