Finding the Fourth Proportional to 57,242.69, 78,994.91 and 34,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   57,242.69 : 78,994.91 = 34,886.69 : x
2. Step 2: Convert to fraction form
   57,242.69/78,994.91 = 34,886.69/x
3. Step 3: Cross multiply
   57,242.69x = 78,994.91 × 34,886.69
4. Step 4: Simplify right side
   57,242.69x = 2,755,870,936.75
5. Step 5: Solve for x
   x = 2,755,870,936.75/57,242.69
6. Step 6: Final answer
   x = 48,143.63