Finding the Fourth Proportional to 22,978.47, 34,419.27 and 10,509.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.47 : 34,419.27 = 10,509.00 : x
2. Step 2: Convert to fraction form
   22,978.47/34,419.27 = 10,509.00/x
3. Step 3: Cross multiply
   22,978.47x = 34,419.27 × 10,509.00
4. Step 4: Simplify right side
   22,978.47x = 361,711,936.33
5. Step 5: Solve for x
   x = 361,711,936.33/22,978.47
6. Step 6: Final answer
   x = 15,741.34