Finding the Fourth Proportional to 55,061.19, 75,989.80 and 30,866.27

Step by Step Solution

1. Step 1: Write the proportion equation
   55,061.19 : 75,989.80 = 30,866.27 : x
2. Step 2: Convert to fraction form
   55,061.19/75,989.80 = 30,866.27/x
3. Step 3: Cross multiply
   55,061.19x = 75,989.80 × 30,866.27
4. Step 4: Simplify right side
   55,061.19x = 2,345,521,169.06
5. Step 5: Solve for x
   x = 2,345,521,169.06/55,061.19
6. Step 6: Final answer
   x = 42,598.44