Finding the Fourth Proportional to 12,375.53, 18,572.52 and 4,980.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,375.53 : 18,572.52 = 4,980.05 : x
2. Step 2: Convert to fraction form
   12,375.53/18,572.52 = 4,980.05/x
3. Step 3: Cross multiply
   12,375.53x = 18,572.52 × 4,980.05
4. Step 4: Simplify right side
   12,375.53x = 92,492,112.21
5. Step 5: Solve for x
   x = 92,492,112.21/12,375.53
6. Step 6: Final answer
   x = 7,473.79