Finding the Fourth Proportional to 9,985.22, 14,978.19 and 3,744.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,985.22 : 14,978.19 = 3,744.60 : x
2. Step 2: Convert to fraction form
   9,985.22/14,978.19 = 3,744.60/x
3. Step 3: Cross multiply
   9,985.22x = 14,978.19 × 3,744.60
4. Step 4: Simplify right side
   9,985.22x = 56,087,330.27
5. Step 5: Solve for x
   x = 56,087,330.27/9,985.22
6. Step 6: Final answer
   x = 5,617.04