Finding the Fourth Proportional to 79,288.12, 109,401.06 and 53,814.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,288.12 : 109,401.06 = 53,814.16 : x
2. Step 2: Convert to fraction form
   79,288.12/109,401.06 = 53,814.16/x
3. Step 3: Cross multiply
   79,288.12x = 109,401.06 × 53,814.16
4. Step 4: Simplify right side
   79,288.12x = 5,887,326,147.01
5. Step 5: Solve for x
   x = 5,887,326,147.01/79,288.12
6. Step 6: Final answer
   x = 74,252.31