Finding the Fourth Proportional to 47,085.66, 64,978.02 and 25,575.30

Step by Step Solution

1. Step 1: Write the proportion equation
   47,085.66 : 64,978.02 = 25,575.30 : x
2. Step 2: Convert to fraction form
   47,085.66/64,978.02 = 25,575.30/x
3. Step 3: Cross multiply
   47,085.66x = 64,978.02 × 25,575.30
4. Step 4: Simplify right side
   47,085.66x = 1,661,832,354.91
5. Step 5: Solve for x
   x = 1,661,832,354.91/47,085.66
6. Step 6: Final answer
   x = 35,293.81