Finding the Fourth Proportional to 52,624.28, 72,621.24 and 28,752.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,624.28 : 72,621.24 = 28,752.32 : x
2. Step 2: Convert to fraction form
   52,624.28/72,621.24 = 28,752.32/x
3. Step 3: Cross multiply
   52,624.28x = 72,621.24 × 28,752.32
4. Step 4: Simplify right side
   52,624.28x = 2,088,029,131.28
5. Step 5: Solve for x
   x = 2,088,029,131.28/52,624.28
6. Step 6: Final answer
   x = 39,678.06