Finding the Fourth Proportional to 1,250.72, 1,875.48 and 470.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.72 : 1,875.48 = 470.12 : x
2. Step 2: Convert to fraction form
   1,250.72/1,875.48 = 470.12/x
3. Step 3: Cross multiply
   1,250.72x = 1,875.48 × 470.12
4. Step 4: Simplify right side
   1,250.72x = 881,691.28
5. Step 5: Solve for x
   x = 881,691.28/1,250.72
6. Step 6: Final answer
   x = 704.95