Finding the Fourth Proportional to 22,946.72, 34,375.65 and 13,436.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,946.72 : 34,375.65 = 13,436.00 : x
2. Step 2: Convert to fraction form
   22,946.72/34,375.65 = 13,436.00/x
3. Step 3: Cross multiply
   22,946.72x = 34,375.65 × 13,436.00
4. Step 4: Simplify right side
   22,946.72x = 461,871,061.52
5. Step 5: Solve for x
   x = 461,871,061.52/22,946.72
6. Step 6: Final answer
   x = 20,127.98