Finding the Fourth Proportional to 64,538.65, 89,014.05 and 46,692.73

Step by Step Solution

1. Step 1: Write the proportion equation
   64,538.65 : 89,014.05 = 46,692.73 : x
2. Step 2: Convert to fraction form
   64,538.65/89,014.05 = 46,692.73/x
3. Step 3: Cross multiply
   64,538.65x = 89,014.05 × 46,692.73
4. Step 4: Simplify right side
   64,538.65x = 4,156,309,002.86
5. Step 5: Solve for x
   x = 4,156,309,002.86/64,538.65
6. Step 6: Final answer
   x = 64,400.31