Finding the Fourth Proportional to 57,858.98, 79,702.70 and 49,333.34

Step by Step Solution

1. Step 1: Write the proportion equation
   57,858.98 : 79,702.70 = 49,333.34 : x
2. Step 2: Convert to fraction form
   57,858.98/79,702.70 = 49,333.34/x
3. Step 3: Cross multiply
   57,858.98x = 79,702.70 × 49,333.34
4. Step 4: Simplify right side
   57,858.98x = 3,932,000,398.02
5. Step 5: Solve for x
   x = 3,932,000,398.02/57,858.98
6. Step 6: Final answer
   x = 67,958.34