Finding the Fourth Proportional to 2,423.88, 3,345.18 and 1,375.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,423.88 : 3,345.18 = 1,375.86 : x
2. Step 2: Convert to fraction form
   2,423.88/3,345.18 = 1,375.86/x
3. Step 3: Cross multiply
   2,423.88x = 3,345.18 × 1,375.86
4. Step 4: Simplify right side
   2,423.88x = 4,602,499.35
5. Step 5: Solve for x
   x = 4,602,499.35/2,423.88
6. Step 6: Final answer
   x = 1,898.81