Finding the Fourth Proportional to 59,813.33, 89,720.12 and 56,159.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,813.33 : 89,720.12 = 56,159.69 : x
2. Step 2: Convert to fraction form
   59,813.33/89,720.12 = 56,159.69/x
3. Step 3: Cross multiply
   59,813.33x = 89,720.12 × 56,159.69
4. Step 4: Simplify right side
   59,813.33x = 5,038,653,817.76
5. Step 5: Solve for x
   x = 5,038,653,817.76/59,813.33
6. Step 6: Final answer
   x = 84,239.65