Finding the Fourth Proportional to 1,250.47, 1,875.57 and 470.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.47 : 1,875.57 = 470.31 : x
2. Step 2: Convert to fraction form
   1,250.47/1,875.57 = 470.31/x
3. Step 3: Cross multiply
   1,250.47x = 1,875.57 × 470.31
4. Step 4: Simplify right side
   1,250.47x = 882,099.33
5. Step 5: Solve for x
   x = 882,099.33/1,250.47
6. Step 6: Final answer
   x = 705.41