Finding the Fourth Proportional to 2,199.52, 3,298.04 and 901.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.52 : 3,298.04 = 901.88 : x
2. Step 2: Convert to fraction form
   2,199.52/3,298.04 = 901.88/x
3. Step 3: Cross multiply
   2,199.52x = 3,298.04 × 901.88
4. Step 4: Simplify right side
   2,199.52x = 2,974,436.32
5. Step 5: Solve for x
   x = 2,974,436.32/2,199.52
6. Step 6: Final answer
   x = 1,352.31