Finding the Fourth Proportional to 73,081.89, 100,799.76 and 55,893.08

Step by Step Solution

1. Step 1: Write the proportion equation
   73,081.89 : 100,799.76 = 55,893.08 : x
2. Step 2: Convert to fraction form
   73,081.89/100,799.76 = 55,893.08/x
3. Step 3: Cross multiply
   73,081.89x = 100,799.76 × 55,893.08
4. Step 4: Simplify right side
   73,081.89x = 5,634,009,301.66
5. Step 5: Solve for x
   x = 5,634,009,301.66/73,081.89
6. Step 6: Final answer
   x = 77,091.73