Finding the Fourth Proportional to 10,130.20, 13,980.27 and 5,654.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,130.20 : 13,980.27 = 5,654.14 : x
2. Step 2: Convert to fraction form
   10,130.20/13,980.27 = 5,654.14/x
3. Step 3: Cross multiply
   10,130.20x = 13,980.27 × 5,654.14
4. Step 4: Simplify right side
   10,130.20x = 79,046,403.82
5. Step 5: Solve for x
   x = 79,046,403.82/10,130.20
6. Step 6: Final answer
   x = 7,803.04