Finding the Fourth Proportional to 52,856.94, 79,164.42 and 26,569.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,856.94 : 79,164.42 = 26,569.20 : x
2. Step 2: Convert to fraction form
   52,856.94/79,164.42 = 26,569.20/x
3. Step 3: Cross multiply
   52,856.94x = 79,164.42 × 26,569.20
4. Step 4: Simplify right side
   52,856.94x = 2,103,335,307.86
5. Step 5: Solve for x
   x = 2,103,335,307.86/52,856.94
6. Step 6: Final answer
   x = 39,792.98