Finding the Fourth Proportional to 84,443.21, 116,551.10 and 55,768.56

Step by Step Solution

1. Step 1: Write the proportion equation
   84,443.21 : 116,551.10 = 55,768.56 : x
2. Step 2: Convert to fraction form
   84,443.21/116,551.10 = 55,768.56/x
3. Step 3: Cross multiply
   84,443.21x = 116,551.10 × 55,768.56
4. Step 4: Simplify right side
   84,443.21x = 6,499,886,734.57
5. Step 5: Solve for x
   x = 6,499,886,734.57/84,443.21
6. Step 6: Final answer
   x = 76,973.47