Finding the Fourth Proportional to 82,805.60, 114,272.16 and 45,080.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,805.60 : 114,272.16 = 45,080.12 : x
2. Step 2: Convert to fraction form
   82,805.60/114,272.16 = 45,080.12/x
3. Step 3: Cross multiply
   82,805.60x = 114,272.16 × 45,080.12
4. Step 4: Simplify right side
   82,805.60x = 5,151,402,685.46
5. Step 5: Solve for x
   x = 5,151,402,685.46/82,805.60
6. Step 6: Final answer
   x = 62,210.80