Finding the Fourth Proportional to 75,080.52, 112,430.16 and 45,076.10

Step by Step Solution

1. Step 1: Write the proportion equation
   75,080.52 : 112,430.16 = 45,076.10 : x
2. Step 2: Convert to fraction form
   75,080.52/112,430.16 = 45,076.10/x
3. Step 3: Cross multiply
   75,080.52x = 112,430.16 × 45,076.10
4. Step 4: Simplify right side
   75,080.52x = 5,067,912,573.03
5. Step 5: Solve for x
   x = 5,067,912,573.03/75,080.52
6. Step 6: Final answer
   x = 67,499.70