Finding the Fourth Proportional to 47,499.52, 65,570.34 and 28,386.04

Step by Step Solution

1. Step 1: Write the proportion equation
   47,499.52 : 65,570.34 = 28,386.04 : x
2. Step 2: Convert to fraction form
   47,499.52/65,570.34 = 28,386.04/x
3. Step 3: Cross multiply
   47,499.52x = 65,570.34 × 28,386.04
4. Step 4: Simplify right side
   47,499.52x = 1,861,282,294.05
5. Step 5: Solve for x
   x = 1,861,282,294.05/47,499.52
6. Step 6: Final answer
   x = 39,185.29