Finding the Fourth Proportional to 69,078.34, 103,617.52 and 45,699.32

Step by Step Solution

1. Step 1: Write the proportion equation
   69,078.34 : 103,617.52 = 45,699.32 : x
2. Step 2: Convert to fraction form
   69,078.34/103,617.52 = 45,699.32/x
3. Step 3: Cross multiply
   69,078.34x = 103,617.52 × 45,699.32
4. Step 4: Simplify right side
   69,078.34x = 4,735,250,204.09
5. Step 5: Solve for x
   x = 4,735,250,204.09/69,078.34
6. Step 6: Final answer
   x = 68,548.99