Finding the Fourth Proportional to 269,059.86, 403,613.01 and 69,378.57

Step by Step Solution

1. Step 1: Write the proportion equation
   269,059.86 : 403,613.01 = 69,378.57 : x
2. Step 2: Convert to fraction form
   269,059.86/403,613.01 = 69,378.57/x
3. Step 3: Cross multiply
   269,059.86x = 403,613.01 × 69,378.57
4. Step 4: Simplify right side
   269,059.86x = 28,002,093,467.20
5. Step 5: Solve for x
   x = 28,002,093,467.20/269,059.86
6. Step 6: Final answer
   x = 104,073.84