Finding the Fourth Proportional to 8,900.06, 13,410.17 and 7,374.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900.06 : 13,410.17 = 7,374.02 : x
2. Step 2: Convert to fraction form
   8,900.06/13,410.17 = 7,374.02/x
3. Step 3: Cross multiply
   8,900.06x = 13,410.17 × 7,374.02
4. Step 4: Simplify right side
   8,900.06x = 98,886,861.78
5. Step 5: Solve for x
   x = 98,886,861.78/8,900.06
6. Step 6: Final answer
   x = 11,110.81