Finding the Fourth Proportional to 52,296.86, 72,170.15 and 28,423.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,296.86 : 72,170.15 = 28,423.59 : x
2. Step 2: Convert to fraction form
   52,296.86/72,170.15 = 28,423.59/x
3. Step 3: Cross multiply
   52,296.86x = 72,170.15 × 28,423.59
4. Step 4: Simplify right side
   52,296.86x = 2,051,334,611.72
5. Step 5: Solve for x
   x = 2,051,334,611.72/52,296.86
6. Step 6: Final answer
   x = 39,224.82