Finding the Fourth Proportional to 60,827.72, 83,981.75 and 54,443.26

Step by Step Solution

1. Step 1: Write the proportion equation
   60,827.72 : 83,981.75 = 54,443.26 : x
2. Step 2: Convert to fraction form
   60,827.72/83,981.75 = 54,443.26/x
3. Step 3: Cross multiply
   60,827.72x = 83,981.75 × 54,443.26
4. Step 4: Simplify right side
   60,827.72x = 4,572,240,250.51
5. Step 5: Solve for x
   x = 4,572,240,250.51/60,827.72
6. Step 6: Final answer
   x = 75,167.05