Finding the Fourth Proportional to 45,931.50, 68,492.94 and 42,296.22

Step by Step Solution

1. Step 1: Write the proportion equation
   45,931.50 : 68,492.94 = 42,296.22 : x
2. Step 2: Convert to fraction form
   45,931.50/68,492.94 = 42,296.22/x
3. Step 3: Cross multiply
   45,931.50x = 68,492.94 × 42,296.22
4. Step 4: Simplify right side
   45,931.50x = 2,896,992,458.69
5. Step 5: Solve for x
   x = 2,896,992,458.69/45,931.50
6. Step 6: Final answer
   x = 63,072.02