Finding the Fourth Proportional to 2,124.10, 2,930.78 and 1,337.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.10 : 2,930.78 = 1,337.86 : x
2. Step 2: Convert to fraction form
   2,124.10/2,930.78 = 1,337.86/x
3. Step 3: Cross multiply
   2,124.10x = 2,930.78 × 1,337.86
4. Step 4: Simplify right side
   2,124.10x = 3,920,973.33
5. Step 5: Solve for x
   x = 3,920,973.33/2,124.10
6. Step 6: Final answer
   x = 1,845.95