Finding the Fourth Proportional to 2,068.07, 3,103.86 and 899.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.07 : 3,103.86 = 899.01 : x
2. Step 2: Convert to fraction form
   2,068.07/3,103.86 = 899.01/x
3. Step 3: Cross multiply
   2,068.07x = 3,103.86 × 899.01
4. Step 4: Simplify right side
   2,068.07x = 2,790,381.16
5. Step 5: Solve for x
   x = 2,790,381.16/2,068.07
6. Step 6: Final answer
   x = 1,349.27