Finding the Fourth Proportional to 2,978.53, 4,470.08 and 1,248.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.53 : 4,470.08 = 1,248.37 : x
2. Step 2: Convert to fraction form
   2,978.53/4,470.08 = 1,248.37/x
3. Step 3: Cross multiply
   2,978.53x = 4,470.08 × 1,248.37
4. Step 4: Simplify right side
   2,978.53x = 5,580,313.77
5. Step 5: Solve for x
   x = 5,580,313.77/2,978.53
6. Step 6: Final answer
   x = 1,873.51