Finding the Fourth Proportional to 108,603.93, 162,684.18 and 55,902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,603.93 : 162,684.18 = 55,902.72 : x
2. Step 2: Convert to fraction form
   108,603.93/162,684.18 = 55,902.72/x
3. Step 3: Cross multiply
   108,603.93x = 162,684.18 × 55,902.72
4. Step 4: Simplify right side
   108,603.93x = 9,094,488,162.97
5. Step 5: Solve for x
   x = 9,094,488,162.97/108,603.93
6. Step 6: Final answer
   x = 83,739.95