Finding the Fourth Proportional to 2,419.62, 3,339.06 and 1,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.62 : 3,339.06 = 1,357.50 : x
2. Step 2: Convert to fraction form
   2,419.62/3,339.06 = 1,357.50/x
3. Step 3: Cross multiply
   2,419.62x = 3,339.06 × 1,357.50
4. Step 4: Simplify right side
   2,419.62x = 4,532,773.95
5. Step 5: Solve for x
   x = 4,532,773.95/2,419.62
6. Step 6: Final answer
   x = 1,873.34