Finding the Fourth Proportional to 22,758.72, 34,106.16 and 8,703.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,758.72 : 34,106.16 = 8,703.60 : x
2. Step 2: Convert to fraction form
   22,758.72/34,106.16 = 8,703.60/x
3. Step 3: Cross multiply
   22,758.72x = 34,106.16 × 8,703.60
4. Step 4: Simplify right side
   22,758.72x = 296,846,374.18
5. Step 5: Solve for x
   x = 296,846,374.18/22,758.72
6. Step 6: Final answer
   x = 13,043.19