Finding the Fourth Proportional to 10,131.84, 13,985.28 and 5,940

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.84 : 13,985.28 = 5,940 : x
2. Step 2: Convert to fraction form
   10,131.84/13,985.28 = 5,940/x
3. Step 3: Cross multiply
   10,131.84x = 13,985.28 × 5,940
4. Step 4: Simplify right side
   10,131.84x = 83,072,563.20
5. Step 5: Solve for x
   x = 83,072,563.20/10,131.84
6. Step 6: Final answer
   x = 8,199.16