Finding the Fourth Proportional to 52,499.06, 72,447.38 and 28,626.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,499.06 : 72,447.38 = 28,626.20 : x
2. Step 2: Convert to fraction form
   52,499.06/72,447.38 = 28,626.20/x
3. Step 3: Cross multiply
   52,499.06x = 72,447.38 × 28,626.20
4. Step 4: Simplify right side
   52,499.06x = 2,073,893,189.36
5. Step 5: Solve for x
   x = 2,073,893,189.36/52,499.06
6. Step 6: Final answer
   x = 39,503.43