Finding the Fourth Proportional to 52,499.64, 72,448.62 and 28,626.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,499.64 : 72,448.62 = 28,626.48 : x
2. Step 2: Convert to fraction form
   52,499.64/72,448.62 = 28,626.48/x
3. Step 3: Cross multiply
   52,499.64x = 72,448.62 × 28,626.48
4. Step 4: Simplify right side
   52,499.64x = 2,073,948,971.46
5. Step 5: Solve for x
   x = 2,073,948,971.46/52,499.64
6. Step 6: Final answer
   x = 39,504.06