Finding the Fourth Proportional to 22,700.89, 34,056.78 and 7,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,700.89 : 34,056.78 = 7,118.50 : x
2. Step 2: Convert to fraction form
   22,700.89/34,056.78 = 7,118.50/x
3. Step 3: Cross multiply
   22,700.89x = 34,056.78 × 7,118.50
4. Step 4: Simplify right side
   22,700.89x = 242,433,188.43
5. Step 5: Solve for x
   x = 242,433,188.43/22,700.89
6. Step 6: Final answer
   x = 10,679.46