Finding the Fourth Proportional to 10,065.42, 15,085.62 and 3,483.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.42 : 15,085.62 = 3,483.90 : x
2. Step 2: Convert to fraction form
   10,065.42/15,085.62 = 3,483.90/x
3. Step 3: Cross multiply
   10,065.42x = 15,085.62 × 3,483.90
4. Step 4: Simplify right side
   10,065.42x = 52,556,791.52
5. Step 5: Solve for x
   x = 52,556,791.52/10,065.42
6. Step 6: Final answer
   x = 5,221.52