Finding the Fourth Proportional to 79,440.57, 109,637.71 and 45,906.57

Step by Step Solution

1. Step 1: Write the proportion equation
   79,440.57 : 109,637.71 = 45,906.57 : x
2. Step 2: Convert to fraction form
   79,440.57/109,637.71 = 45,906.57/x
3. Step 3: Cross multiply
   79,440.57x = 109,637.71 × 45,906.57
4. Step 4: Simplify right side
   79,440.57x = 5,033,091,208.75
5. Step 5: Solve for x
   x = 5,033,091,208.75/79,440.57
6. Step 6: Final answer
   x = 63,356.69