Finding the Fourth Proportional to 22,870.59, 34,309.73 and 7,877.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,870.59 : 34,309.73 = 7,877.11 : x
2. Step 2: Convert to fraction form
   22,870.59/34,309.73 = 7,877.11/x
3. Step 3: Cross multiply
   22,870.59x = 34,309.73 × 7,877.11
4. Step 4: Simplify right side
   22,870.59x = 270,261,517.28
5. Step 5: Solve for x
   x = 270,261,517.28/22,870.59
6. Step 6: Final answer
   x = 11,816.99