Finding the Fourth Proportional to 78,309, 108,066.54 and 44,775.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,309 : 108,066.54 = 44,775.72 : x
2. Step 2: Convert to fraction form
   78,309/108,066.54 = 44,775.72/x
3. Step 3: Cross multiply
   78,309x = 108,066.54 × 44,775.72
4. Step 4: Simplify right side
   78,309x = 4,838,757,136.41
5. Step 5: Solve for x
   x = 4,838,757,136.41/78,309
6. Step 6: Final answer
   x = 61,790.56