Finding the Fourth Proportional to 10,053.49, 13,873.19 and 5,577.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,053.49 : 13,873.19 = 5,577.15 : x
2. Step 2: Convert to fraction form
   10,053.49/13,873.19 = 5,577.15/x
3. Step 3: Cross multiply
   10,053.49x = 13,873.19 × 5,577.15
4. Step 4: Simplify right side
   10,053.49x = 77,372,861.61
5. Step 5: Solve for x
   x = 77,372,861.61/10,053.49
6. Step 6: Final answer
   x = 7,696.12