Finding the Fourth Proportional to 9,978.53, 14,967.17 and 3,738.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.53 : 14,967.17 = 3,738.06 : x
2. Step 2: Convert to fraction form
   9,978.53/14,967.17 = 3,738.06/x
3. Step 3: Cross multiply
   9,978.53x = 14,967.17 × 3,738.06
4. Step 4: Simplify right side
   9,978.53x = 55,948,190.61
5. Step 5: Solve for x
   x = 55,948,190.61/9,978.53
6. Step 6: Final answer
   x = 5,606.86