Finding the Fourth Proportional to 10,498.86, 15,748.89 and 2,707.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,498.86 : 15,748.89 = 2,707.74 : x
2. Step 2: Convert to fraction form
   10,498.86/15,748.89 = 2,707.74/x
3. Step 3: Cross multiply
   10,498.86x = 15,748.89 × 2,707.74
4. Step 4: Simplify right side
   10,498.86x = 42,643,899.41
5. Step 5: Solve for x
   x = 42,643,899.41/10,498.86
6. Step 6: Final answer
   x = 4,061.76