Finding the Fourth Proportional to 82,080.48, 113,280.06 and 47,632.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,080.48 : 113,280.06 = 47,632.80 : x
2. Step 2: Convert to fraction form
   82,080.48/113,280.06 = 47,632.80/x
3. Step 3: Cross multiply
   82,080.48x = 113,280.06 × 47,632.80
4. Step 4: Simplify right side
   82,080.48x = 5,395,845,875.57
5. Step 5: Solve for x
   x = 5,395,845,875.57/82,080.48
6. Step 6: Final answer
   x = 65,738.48