Finding the Fourth Proportional to 80,700.12, 121,030.56 and 25,296.12

Step by Step Solution

1. Step 1: Write the proportion equation
   80,700.12 : 121,030.56 = 25,296.12 : x
2. Step 2: Convert to fraction form
   80,700.12/121,030.56 = 25,296.12/x
3. Step 3: Cross multiply
   80,700.12x = 121,030.56 × 25,296.12
4. Step 4: Simplify right side
   80,700.12x = 3,061,603,569.43
5. Step 5: Solve for x
   x = 3,061,603,569.43/80,700.12
6. Step 6: Final answer
   x = 37,938.03