Finding the Fourth Proportional to 9,060.92, 12,498.76 and 5,698.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,060.92 : 12,498.76 = 5,698.40 : x
2. Step 2: Convert to fraction form
   9,060.92/12,498.76 = 5,698.40/x
3. Step 3: Cross multiply
   9,060.92x = 12,498.76 × 5,698.40
4. Step 4: Simplify right side
   9,060.92x = 71,222,933.98
5. Step 5: Solve for x
   x = 71,222,933.98/9,060.92
6. Step 6: Final answer
   x = 7,860.45