Finding the Fourth Proportional to 3,365.86, 5,048.71 and 900.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,365.86 : 5,048.71 = 900.68 : x
2. Step 2: Convert to fraction form
   3,365.86/5,048.71 = 900.68/x
3. Step 3: Cross multiply
   3,365.86x = 5,048.71 × 900.68
4. Step 4: Simplify right side
   3,365.86x = 4,547,248.01
5. Step 5: Solve for x
   x = 4,547,248.01/3,365.86
6. Step 6: Final answer
   x = 1,350.99