Finding the Fourth Proportional to 10,130.40, 13,980.06 and 5,654.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,130.40 : 13,980.06 = 5,654.16 : x
2. Step 2: Convert to fraction form
   10,130.40/13,980.06 = 5,654.16/x
3. Step 3: Cross multiply
   10,130.40x = 13,980.06 × 5,654.16
4. Step 4: Simplify right side
   10,130.40x = 79,045,496.05
5. Step 5: Solve for x
   x = 79,045,496.05/10,130.40
6. Step 6: Final answer
   x = 7,802.80