Finding the Fourth Proportional to 69,085.02, 103,627.52 and 19,165.12

Step by Step Solution

1. Step 1: Write the proportion equation
   69,085.02 : 103,627.52 = 19,165.12 : x
2. Step 2: Convert to fraction form
   69,085.02/103,627.52 = 19,165.12/x
3. Step 3: Cross multiply
   69,085.02x = 103,627.52 × 19,165.12
4. Step 4: Simplify right side
   69,085.02x = 1,986,033,856.10
5. Step 5: Solve for x
   x = 1,986,033,856.10/69,085.02
6. Step 6: Final answer
   x = 28,747.68