Finding the Fourth Proportional to 75,089.81, 103,635.56 and 42,824.49

Step by Step Solution

1. Step 1: Write the proportion equation
   75,089.81 : 103,635.56 = 42,824.49 : x
2. Step 2: Convert to fraction form
   75,089.81/103,635.56 = 42,824.49/x
3. Step 3: Cross multiply
   75,089.81x = 103,635.56 × 42,824.49
4. Step 4: Simplify right side
   75,089.81x = 4,438,140,002.86
5. Step 5: Solve for x
   x = 4,438,140,002.86/75,089.81
6. Step 6: Final answer
   x = 59,104.42