Finding the Fourth Proportional to 10,906.61, 15,058.37 and 7,368.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,906.61 : 15,058.37 = 7,368.53 : x
2. Step 2: Convert to fraction form
   10,906.61/15,058.37 = 7,368.53/x
3. Step 3: Cross multiply
   10,906.61x = 15,058.37 × 7,368.53
4. Step 4: Simplify right side
   10,906.61x = 110,957,994.23
5. Step 5: Solve for x
   x = 110,957,994.23/10,906.61
6. Step 6: Final answer
   x = 10,173.47