Finding the Fourth Proportional to 83,382.36, 115,085.52 and 53,160.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,382.36 : 115,085.52 = 53,160.72 : x
2. Step 2: Convert to fraction form
   83,382.36/115,085.52 = 53,160.72/x
3. Step 3: Cross multiply
   83,382.36x = 115,085.52 × 53,160.72
4. Step 4: Simplify right side
   83,382.36x = 6,118,029,104.77
5. Step 5: Solve for x
   x = 6,118,029,104.77/83,382.36
6. Step 6: Final answer
   x = 73,373.18