Finding the Fourth Proportional to 52,322.30, 72,202.80 and 28,448.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,322.30 : 72,202.80 = 28,448.15 : x
2. Step 2: Convert to fraction form
   52,322.30/72,202.80 = 28,448.15/x
3. Step 3: Cross multiply
   52,322.30x = 72,202.80 × 28,448.15
4. Step 4: Simplify right side
   52,322.30x = 2,054,036,084.82
5. Step 5: Solve for x
   x = 2,054,036,084.82/52,322.30
6. Step 6: Final answer
   x = 39,257.37