Finding the Fourth Proportional to 59,284.71, 89,274.96 and 42,759.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,284.71 : 89,274.96 = 42,759.09 : x
2. Step 2: Convert to fraction form
   59,284.71/89,274.96 = 42,759.09/x
3. Step 3: Cross multiply
   59,284.71x = 89,274.96 × 42,759.09
4. Step 4: Simplify right side
   59,284.71x = 3,817,316,049.39
5. Step 5: Solve for x
   x = 3,817,316,049.39/59,284.71
6. Step 6: Final answer
   x = 64,389.55