Finding the Fourth Proportional to 9,988.32, 14,978.59 and 3,744.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,988.32 : 14,978.59 = 3,744.93 : x
2. Step 2: Convert to fraction form
   9,988.32/14,978.59 = 3,744.93/x
3. Step 3: Cross multiply
   9,988.32x = 14,978.59 × 3,744.93
4. Step 4: Simplify right side
   9,988.32x = 56,093,771.05
5. Step 5: Solve for x
   x = 56,093,771.05/9,988.32
6. Step 6: Final answer
   x = 5,615.94