Finding the Fourth Proportional to 75,100.69, 103,638.43 and 43,268.90

Step by Step Solution

1. Step 1: Write the proportion equation
   75,100.69 : 103,638.43 = 43,268.90 : x
2. Step 2: Convert to fraction form
   75,100.69/103,638.43 = 43,268.90/x
3. Step 3: Cross multiply
   75,100.69x = 103,638.43 × 43,268.90
4. Step 4: Simplify right side
   75,100.69x = 4,484,320,863.83
5. Step 5: Solve for x
   x = 4,484,320,863.83/75,100.69
6. Step 6: Final answer
   x = 59,710.78