Finding the Fourth Proportional to 2,199.96, 3,300.42 and 901.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.96 : 3,300.42 = 901.56 : x
2. Step 2: Convert to fraction form
   2,199.96/3,300.42 = 901.56/x
3. Step 3: Cross multiply
   2,199.96x = 3,300.42 × 901.56
4. Step 4: Simplify right side
   2,199.96x = 2,975,526.66
5. Step 5: Solve for x
   x = 2,975,526.66/2,199.96
6. Step 6: Final answer
   x = 1,352.54