Finding the Fourth Proportional to 10,061.79, 13,892.00 and 8,996.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.79 : 13,892.00 = 8,996.10 : x
2. Step 2: Convert to fraction form
   10,061.79/13,892.00 = 8,996.10/x
3. Step 3: Cross multiply
   10,061.79x = 13,892.00 × 8,996.10
4. Step 4: Simplify right side
   10,061.79x = 124,973,776.22
5. Step 5: Solve for x
   x = 124,973,776.22/10,061.79
6. Step 6: Final answer
   x = 12,420.63