Finding the Fourth Proportional to 47,308.68, 70,882.69 and 28,549.30

Step by Step Solution

1. Step 1: Write the proportion equation
   47,308.68 : 70,882.69 = 28,549.30 : x
2. Step 2: Convert to fraction form
   47,308.68/70,882.69 = 28,549.30/x
3. Step 3: Cross multiply
   47,308.68x = 70,882.69 × 28,549.30
4. Step 4: Simplify right side
   47,308.68x = 2,023,651,173.00
5. Step 5: Solve for x
   x = 2,023,651,173.00/47,308.68
6. Step 6: Final answer
   x = 42,775.47