Finding the Fourth Proportional to 9,980.72, 14,973.61 and 3,740.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.72 : 14,973.61 = 3,740.75 : x
2. Step 2: Convert to fraction form
   9,980.72/14,973.61 = 3,740.75/x
3. Step 3: Cross multiply
   9,980.72x = 14,973.61 × 3,740.75
4. Step 4: Simplify right side
   9,980.72x = 56,012,510.55
5. Step 5: Solve for x
   x = 56,012,510.55/9,980.72
6. Step 6: Final answer
   x = 5,612.07