Finding the Fourth Proportional to 25,276.91, 37,913.99 and 7,746.78

Step by Step Solution

1. Step 1: Write the proportion equation
   25,276.91 : 37,913.99 = 7,746.78 : x
2. Step 2: Convert to fraction form
   25,276.91/37,913.99 = 7,746.78/x
3. Step 3: Cross multiply
   25,276.91x = 37,913.99 × 7,746.78
4. Step 4: Simplify right side
   25,276.91x = 293,711,300.72
5. Step 5: Solve for x
   x = 293,711,300.72/25,276.91
6. Step 6: Final answer
   x = 11,619.75