Finding the Fourth Proportional to 9,123.34, 13,684.52 and 2,798.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.34 : 13,684.52 = 2,798.20 : x
2. Step 2: Convert to fraction form
   9,123.34/13,684.52 = 2,798.20/x
3. Step 3: Cross multiply
   9,123.34x = 13,684.52 × 2,798.20
4. Step 4: Simplify right side
   9,123.34x = 38,292,023.86
5. Step 5: Solve for x
   x = 38,292,023.86/9,123.34
6. Step 6: Final answer
   x = 4,197.15