Finding the Fourth Proportional to 2,542.86, 3,814.59 and 899.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.86 : 3,814.59 = 899.07 : x
2. Step 2: Convert to fraction form
   2,542.86/3,814.59 = 899.07/x
3. Step 3: Cross multiply
   2,542.86x = 3,814.59 × 899.07
4. Step 4: Simplify right side
   2,542.86x = 3,429,572.50
5. Step 5: Solve for x
   x = 3,429,572.50/2,542.86
6. Step 6: Final answer
   x = 1,348.71