Finding the Fourth Proportional to 105,298.56, 157,850.64 and 52,662.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,298.56 : 157,850.64 = 52,662.24 : x
2. Step 2: Convert to fraction form
   105,298.56/157,850.64 = 52,662.24/x
3. Step 3: Cross multiply
   105,298.56x = 157,850.64 × 52,662.24
4. Step 4: Simplify right side
   105,298.56x = 8,312,768,287.83
5. Step 5: Solve for x
   x = 8,312,768,287.83/105,298.56
6. Step 6: Final answer
   x = 78,944.75