Finding the Fourth Proportional to 13,108.77, 19,658.89 and 5,711.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,108.77 : 19,658.89 = 5,711.04 : x
2. Step 2: Convert to fraction form
   13,108.77/19,658.89 = 5,711.04/x
3. Step 3: Cross multiply
   13,108.77x = 19,658.89 × 5,711.04
4. Step 4: Simplify right side
   13,108.77x = 112,272,707.15
5. Step 5: Solve for x
   x = 112,272,707.15/13,108.77
6. Step 6: Final answer
   x = 8,564.70