Finding the Fourth Proportional to 75,547.69, 104,255.91 and 42,013.69

Step by Step Solution

1. Step 1: Write the proportion equation
   75,547.69 : 104,255.91 = 42,013.69 : x
2. Step 2: Convert to fraction form
   75,547.69/104,255.91 = 42,013.69/x
3. Step 3: Cross multiply
   75,547.69x = 104,255.91 × 42,013.69
4. Step 4: Simplify right side
   75,547.69x = 4,380,175,222.77
5. Step 5: Solve for x
   x = 4,380,175,222.77/75,547.69
6. Step 6: Final answer
   x = 57,978.95