Finding the Fourth Proportional to 83,384.36, 115,088.28 and 53,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,384.36 : 115,088.28 = 53,162.72 : x
2. Step 2: Convert to fraction form
   83,384.36/115,088.28 = 53,162.72/x
3. Step 3: Cross multiply
   83,384.36x = 115,088.28 × 53,162.72
4. Step 4: Simplify right side
   83,384.36x = 6,118,406,004.92
5. Step 5: Solve for x
   x = 6,118,406,004.92/83,384.36
6. Step 6: Final answer
   x = 73,375.94