Finding the Fourth Proportional to 8,746.88, 12,070.72 and 5,606.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,746.88 : 12,070.72 = 5,606.40 : x
2. Step 2: Convert to fraction form
   8,746.88/12,070.72 = 5,606.40/x
3. Step 3: Cross multiply
   8,746.88x = 12,070.72 × 5,606.40
4. Step 4: Simplify right side
   8,746.88x = 67,673,284.61
5. Step 5: Solve for x
   x = 67,673,284.61/8,746.88
6. Step 6: Final answer
   x = 7,736.85