Finding the Fourth Proportional to 107,791.57, 161,587.59 and 55,084.87

Step by Step Solution

1. Step 1: Write the proportion equation
   107,791.57 : 161,587.59 = 55,084.87 : x
2. Step 2: Convert to fraction form
   107,791.57/161,587.59 = 55,084.87/x
3. Step 3: Cross multiply
   107,791.57x = 161,587.59 × 55,084.87
4. Step 4: Simplify right side
   107,791.57x = 8,901,031,388.76
5. Step 5: Solve for x
   x = 8,901,031,388.76/107,791.57
6. Step 6: Final answer
   x = 82,576.32