Finding the Fourth Proportional to 56,003.92, 83,989.56 and 46,118.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,003.92 : 83,989.56 = 46,118.80 : x
2. Step 2: Convert to fraction form
   56,003.92/83,989.56 = 46,118.80/x
3. Step 3: Cross multiply
   56,003.92x = 83,989.56 × 46,118.80
4. Step 4: Simplify right side
   56,003.92x = 3,873,497,719.73
5. Step 5: Solve for x
   x = 3,873,497,719.73/56,003.92
6. Step 6: Final answer
   x = 69,164.76