Finding the Fourth Proportional to 10,077.48, 15,117.18 and 3,150.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.48 : 15,117.18 = 3,150.12 : x
2. Step 2: Convert to fraction form
   10,077.48/15,117.18 = 3,150.12/x
3. Step 3: Cross multiply
   10,077.48x = 15,117.18 × 3,150.12
4. Step 4: Simplify right side
   10,077.48x = 47,620,931.06
5. Step 5: Solve for x
   x = 47,620,931.06/10,077.48
6. Step 6: Final answer
   x = 4,725.48