Finding the Fourth Proportional to 64,746.80, 89,350.56 and 37,894.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,746.80 : 89,350.56 = 37,894.42 : x
2. Step 2: Convert to fraction form
   64,746.80/89,350.56 = 37,894.42/x
3. Step 3: Cross multiply
   64,746.80x = 89,350.56 × 37,894.42
4. Step 4: Simplify right side
   64,746.80x = 3,385,887,647.88
5. Step 5: Solve for x
   x = 3,385,887,647.88/64,746.80
6. Step 6: Final answer
   x = 52,294.29