Finding the Fourth Proportional to 25,300.32, 37,951.20 and 7,770.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,300.32 : 37,951.20 = 7,770.18 : x
2. Step 2: Convert to fraction form
   25,300.32/37,951.20 = 7,770.18/x
3. Step 3: Cross multiply
   25,300.32x = 37,951.20 × 7,770.18
4. Step 4: Simplify right side
   25,300.32x = 294,887,655.22
5. Step 5: Solve for x
   x = 294,887,655.22/25,300.32
6. Step 6: Final answer
   x = 11,655.49