Finding the Fourth Proportional to 119,083.48, 164,343.50 and 78,727.12

Step by Step Solution

1. Step 1: Write the proportion equation
   119,083.48 : 164,343.50 = 78,727.12 : x
2. Step 2: Convert to fraction form
   119,083.48/164,343.50 = 78,727.12/x
3. Step 3: Cross multiply
   119,083.48x = 164,343.50 × 78,727.12
4. Step 4: Simplify right side
   119,083.48x = 12,938,290,445.72
5. Step 5: Solve for x
   x = 12,938,290,445.72/119,083.48
6. Step 6: Final answer
   x = 108,648.91