Finding the Fourth Proportional to 57,038.37, 78,696.86 and 34,065.48

Step by Step Solution

1. Step 1: Write the proportion equation
   57,038.37 : 78,696.86 = 34,065.48 : x
2. Step 2: Convert to fraction form
   57,038.37/78,696.86 = 34,065.48/x
3. Step 3: Cross multiply
   57,038.37x = 78,696.86 × 34,065.48
4. Step 4: Simplify right side
   57,038.37x = 2,680,846,310.39
5. Step 5: Solve for x
   x = 2,680,846,310.39/57,038.37
6. Step 6: Final answer
   x = 47,000.75