Finding the Fourth Proportional to 73,016.21, 100,807.98 and 55,987.73

Step by Step Solution

1. Step 1: Write the proportion equation
   73,016.21 : 100,807.98 = 55,987.73 : x
2. Step 2: Convert to fraction form
   73,016.21/100,807.98 = 55,987.73/x
3. Step 3: Cross multiply
   73,016.21x = 100,807.98 × 55,987.73
4. Step 4: Simplify right side
   73,016.21x = 5,644,009,686.15
5. Step 5: Solve for x
   x = 5,644,009,686.15/73,016.21
6. Step 6: Final answer
   x = 77,298.04