Finding the Fourth Proportional to 100,093.83, 138,131.24 and 54,775.83

Step by Step Solution

1. Step 1: Write the proportion equation
   100,093.83 : 138,131.24 = 54,775.83 : x
2. Step 2: Convert to fraction form
   100,093.83/138,131.24 = 54,775.83/x
3. Step 3: Cross multiply
   100,093.83x = 138,131.24 × 54,775.83
4. Step 4: Simplify right side
   100,093.83x = 7,566,253,046.05
5. Step 5: Solve for x
   x = 7,566,253,046.05/100,093.83
6. Step 6: Final answer
   x = 75,591.60