Finding the Fourth Proportional to 10,116.02, 15,180.51 and 4,919.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.02 : 15,180.51 = 4,919.06 : x
2. Step 2: Convert to fraction form
   10,116.02/15,180.51 = 4,919.06/x
3. Step 3: Cross multiply
   10,116.02x = 15,180.51 × 4,919.06
4. Step 4: Simplify right side
   10,116.02x = 74,673,839.52
5. Step 5: Solve for x
   x = 74,673,839.52/10,116.02
6. Step 6: Final answer
   x = 7,381.74