Finding the Fourth Proportional to 10,401.10, 15,577.35 and 10,192.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.10 : 15,577.35 = 10,192.30 : x
2. Step 2: Convert to fraction form
   10,401.10/15,577.35 = 10,192.30/x
3. Step 3: Cross multiply
   10,401.10x = 15,577.35 × 10,192.30
4. Step 4: Simplify right side
   10,401.10x = 158,769,024.41
5. Step 5: Solve for x
   x = 158,769,024.41/10,401.10
6. Step 6: Final answer
   x = 15,264.64