Finding the Fourth Proportional to 1,548.96, 2,322.72 and 899.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.96 : 2,322.72 = 899.88 : x
2. Step 2: Convert to fraction form
   1,548.96/2,322.72 = 899.88/x
3. Step 3: Cross multiply
   1,548.96x = 2,322.72 × 899.88
4. Step 4: Simplify right side
   1,548.96x = 2,090,169.27
5. Step 5: Solve for x
   x = 2,090,169.27/1,548.96
6. Step 6: Final answer
   x = 1,349.40