Finding the Fourth Proportional to 78,109.30, 107,790.78 and 44,575.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,109.30 : 107,790.78 = 44,575.30 : x
2. Step 2: Convert to fraction form
   78,109.30/107,790.78 = 44,575.30/x
3. Step 3: Cross multiply
   78,109.30x = 107,790.78 × 44,575.30
4. Step 4: Simplify right side
   78,109.30x = 4,804,806,355.73
5. Step 5: Solve for x
   x = 4,804,806,355.73/78,109.30
6. Step 6: Final answer
   x = 61,513.88