Finding the Fourth Proportional to 78,426.89, 108,220.33 and 44,428.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,426.89 : 108,220.33 = 44,428.10 : x
2. Step 2: Convert to fraction form
   78,426.89/108,220.33 = 44,428.10/x
3. Step 3: Cross multiply
   78,426.89x = 108,220.33 × 44,428.10
4. Step 4: Simplify right side
   78,426.89x = 4,808,023,802.75
5. Step 5: Solve for x
   x = 4,808,023,802.75/78,426.89
6. Step 6: Final answer
   x = 61,305.81