Finding the Fourth Proportional to 9,837.18, 14,736.33 and 7,374.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837.18 : 14,736.33 = 7,374.78 : x
2. Step 2: Convert to fraction form
   9,837.18/14,736.33 = 7,374.78/x
3. Step 3: Cross multiply
   9,837.18x = 14,736.33 × 7,374.78
4. Step 4: Simplify right side
   9,837.18x = 108,677,191.76
5. Step 5: Solve for x
   x = 108,677,191.76/9,837.18
6. Step 6: Final answer
   x = 11,047.60