Finding the Fourth Proportional to 78,313, 108,072.06 and 44,779.72

Step by Step Solution

1. Step 1: Write the proportion equation
   78,313 : 108,072.06 = 44,779.72 : x
2. Step 2: Convert to fraction form
   78,313/108,072.06 = 44,779.72/x
3. Step 3: Cross multiply
   78,313x = 108,072.06 × 44,779.72
4. Step 4: Simplify right side
   78,313x = 4,839,436,586.62
5. Step 5: Solve for x
   x = 4,839,436,586.62/78,313
6. Step 6: Final answer
   x = 61,796.08