Finding the Fourth Proportional to 45,693.88, 68,351.22 and 42,894.52

Step by Step Solution

1. Step 1: Write the proportion equation
   45,693.88 : 68,351.22 = 42,894.52 : x
2. Step 2: Convert to fraction form
   45,693.88/68,351.22 = 42,894.52/x
3. Step 3: Cross multiply
   45,693.88x = 68,351.22 × 42,894.52
4. Step 4: Simplify right side
   45,693.88x = 2,931,892,773.31
5. Step 5: Solve for x
   x = 2,931,892,773.31/45,693.88
6. Step 6: Final answer
   x = 64,163.80