Finding the Fourth Proportional to 10,860.95, 16,263.86 and 9,101.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,860.95 : 16,263.86 = 9,101.33 : x
2. Step 2: Convert to fraction form
   10,860.95/16,263.86 = 9,101.33/x
3. Step 3: Cross multiply
   10,860.95x = 16,263.86 × 9,101.33
4. Step 4: Simplify right side
   10,860.95x = 148,022,691.10
5. Step 5: Solve for x
   x = 148,022,691.10/10,860.95
6. Step 6: Final answer
   x = 13,628.89