Finding the Fourth Proportional to 2,368.47, 3,553.38 and 981.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,368.47 : 3,553.38 = 981.87 : x
2. Step 2: Convert to fraction form
   2,368.47/3,553.38 = 981.87/x
3. Step 3: Cross multiply
   2,368.47x = 3,553.38 × 981.87
4. Step 4: Simplify right side
   2,368.47x = 3,488,957.22
5. Step 5: Solve for x
   x = 3,488,957.22/2,368.47
6. Step 6: Final answer
   x = 1,473.08