Finding the Fourth Proportional to 59,814.33, 89,721.63 and 56,160.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,814.33 : 89,721.63 = 56,160.69 : x
2. Step 2: Convert to fraction form
   59,814.33/89,721.63 = 56,160.69/x
3. Step 3: Cross multiply
   59,814.33x = 89,721.63 × 56,160.69
4. Step 4: Simplify right side
   59,814.33x = 5,038,828,648.72
5. Step 5: Solve for x
   x = 5,038,828,648.72/59,814.33
6. Step 6: Final answer
   x = 84,241.16