Finding the Fourth Proportional to 22,699.89, 34,055.28 and 7,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,699.89 : 34,055.28 = 7,117.50 : x
2. Step 2: Convert to fraction form
   22,699.89/34,055.28 = 7,117.50/x
3. Step 3: Cross multiply
   22,699.89x = 34,055.28 × 7,117.50
4. Step 4: Simplify right side
   22,699.89x = 242,388,455.40
5. Step 5: Solve for x
   x = 242,388,455.40/22,699.89
6. Step 6: Final answer
   x = 10,677.96