Finding the Fourth Proportional to 2,748.86, 4,122.74 and 900.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.86 : 4,122.74 = 900.04 : x
2. Step 2: Convert to fraction form
   2,748.86/4,122.74 = 900.04/x
3. Step 3: Cross multiply
   2,748.86x = 4,122.74 × 900.04
4. Step 4: Simplify right side
   2,748.86x = 3,710,630.91
5. Step 5: Solve for x
   x = 3,710,630.91/2,748.86
6. Step 6: Final answer
   x = 1,349.88