Finding the Fourth Proportional to 78,492.14, 108,342.87 and 53,356.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,492.14 : 108,342.87 = 53,356.22 : x
2. Step 2: Convert to fraction form
   78,492.14/108,342.87 = 53,356.22/x
3. Step 3: Cross multiply
   78,492.14x = 108,342.87 × 53,356.22
4. Step 4: Simplify right side
   78,492.14x = 5,780,766,007.15
5. Step 5: Solve for x
   x = 5,780,766,007.15/78,492.14
6. Step 6: Final answer
   x = 73,647.71