Finding the Fourth Proportional to 72,967.80, 109,118.16 and 53,044.22

Step by Step Solution

1. Step 1: Write the proportion equation
   72,967.80 : 109,118.16 = 53,044.22 : x
2. Step 2: Convert to fraction form
   72,967.80/109,118.16 = 53,044.22/x
3. Step 3: Cross multiply
   72,967.80x = 109,118.16 × 53,044.22
4. Step 4: Simplify right side
   72,967.80x = 5,788,087,685.04
5. Step 5: Solve for x
   x = 5,788,087,685.04/72,967.80
6. Step 6: Final answer
   x = 79,323.86