Finding the Fourth Proportional to 2,602.86, 3,904.86 and 753.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.86 : 3,904.86 = 753.99 : x
2. Step 2: Convert to fraction form
   2,602.86/3,904.86 = 753.99/x
3. Step 3: Cross multiply
   2,602.86x = 3,904.86 × 753.99
4. Step 4: Simplify right side
   2,602.86x = 2,944,225.39
5. Step 5: Solve for x
   x = 2,944,225.39/2,602.86
6. Step 6: Final answer
   x = 1,131.15