Finding the Fourth Proportional to 10,067.40, 15,106.52 and 5,915.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,067.40 : 15,106.52 = 5,915.51 : x
2. Step 2: Convert to fraction form
   10,067.40/15,106.52 = 5,915.51/x
3. Step 3: Cross multiply
   10,067.40x = 15,106.52 × 5,915.51
4. Step 4: Simplify right side
   10,067.40x = 89,362,770.13
5. Step 5: Solve for x
   x = 89,362,770.13/10,067.40
6. Step 6: Final answer
   x = 8,876.45