Finding the Fourth Proportional to 7,341.78, 10,131.66 and 4,155.01

Step by Step Solution

1. Step 1: Write the proportion equation
   7,341.78 : 10,131.66 = 4,155.01 : x
2. Step 2: Convert to fraction form
   7,341.78/10,131.66 = 4,155.01/x
3. Step 3: Cross multiply
   7,341.78x = 10,131.66 × 4,155.01
4. Step 4: Simplify right side
   7,341.78x = 42,097,148.62
5. Step 5: Solve for x
   x = 42,097,148.62/7,341.78
6. Step 6: Final answer
   x = 5,733.92