Finding the Fourth Proportional to 10,155.12, 15,241.91 and 7,055.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.12 : 15,241.91 = 7,055.05 : x
2. Step 2: Convert to fraction form
   10,155.12/15,241.91 = 7,055.05/x
3. Step 3: Cross multiply
   10,155.12x = 15,241.91 × 7,055.05
4. Step 4: Simplify right side
   10,155.12x = 107,532,437.15
5. Step 5: Solve for x
   x = 107,532,437.15/10,155.12
6. Step 6: Final answer
   x = 10,588.99