Finding the Fourth Proportional to 115,109.08, 172,618.24 and 55,927.24

Step by Step Solution

1. Step 1: Write the proportion equation
   115,109.08 : 172,618.24 = 55,927.24 : x
2. Step 2: Convert to fraction form
   115,109.08/172,618.24 = 55,927.24/x
3. Step 3: Cross multiply
   115,109.08x = 172,618.24 × 55,927.24
4. Step 4: Simplify right side
   115,109.08x = 9,654,061,736.86
5. Step 5: Solve for x
   x = 9,654,061,736.86/115,109.08
6. Step 6: Final answer
   x = 83,868.81