Finding the Fourth Proportional to 52,259.91, 78,402.89 and 15,323.91

Step by Step Solution

1. Step 1: Write the proportion equation
   52,259.91 : 78,402.89 = 15,323.91 : x
2. Step 2: Convert to fraction form
   52,259.91/78,402.89 = 15,323.91/x
3. Step 3: Cross multiply
   52,259.91x = 78,402.89 × 15,323.91
4. Step 4: Simplify right side
   52,259.91x = 1,201,438,753.48
5. Step 5: Solve for x
   x = 1,201,438,753.48/52,259.91
6. Step 6: Final answer
   x = 22,989.68