Finding the Fourth Proportional to 2,373.39, 3,557.05 and 985.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.39 : 3,557.05 = 985.86 : x
2. Step 2: Convert to fraction form
   2,373.39/3,557.05 = 985.86/x
3. Step 3: Cross multiply
   2,373.39x = 3,557.05 × 985.86
4. Step 4: Simplify right side
   2,373.39x = 3,506,750.85
5. Step 5: Solve for x
   x = 3,506,750.85/2,373.39
6. Step 6: Final answer
   x = 1,477.53