Finding the Fourth Proportional to 114,507.12, 157,947.12 and 82,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,507.12 : 157,947.12 = 82,722.72 : x
2. Step 2: Convert to fraction form
   114,507.12/157,947.12 = 82,722.72/x
3. Step 3: Cross multiply
   114,507.12x = 157,947.12 × 82,722.72
4. Step 4: Simplify right side
   114,507.12x = 13,065,815,382.57
5. Step 5: Solve for x
   x = 13,065,815,382.57/114,507.12
6. Step 6: Final answer
   x = 114,104.83