Finding the Fourth Proportional to 10,130.09, 13,980.23 and 5,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,130.09 : 13,980.23 = 5,654.72 : x
2. Step 2: Convert to fraction form
   10,130.09/13,980.23 = 5,654.72/x
3. Step 3: Cross multiply
   10,130.09x = 13,980.23 × 5,654.72
4. Step 4: Simplify right side
   10,130.09x = 79,054,188.01
5. Step 5: Solve for x
   x = 79,054,188.01/10,130.09
6. Step 6: Final answer
   x = 7,803.90