Finding the Fourth Proportional to 100,168.34, 138,227.00 and 54,837.63

Step by Step Solution

1. Step 1: Write the proportion equation
   100,168.34 : 138,227.00 = 54,837.63 : x
2. Step 2: Convert to fraction form
   100,168.34/138,227.00 = 54,837.63/x
3. Step 3: Cross multiply
   100,168.34x = 138,227.00 × 54,837.63
4. Step 4: Simplify right side
   100,168.34x = 7,580,040,807.82
5. Step 5: Solve for x
   x = 7,580,040,807.82/100,168.34
6. Step 6: Final answer
   x = 75,673.02