Finding the Fourth Proportional to 59,536.99, 89,327.36 and 42,915.79

Step by Step Solution

1. Step 1: Write the proportion equation
   59,536.99 : 89,327.36 = 42,915.79 : x
2. Step 2: Convert to fraction form
   59,536.99/89,327.36 = 42,915.79/x
3. Step 3: Cross multiply
   59,536.99x = 89,327.36 × 42,915.79
4. Step 4: Simplify right side
   59,536.99x = 3,833,554,223.01
5. Step 5: Solve for x
   x = 3,833,554,223.01/59,536.99
6. Step 6: Final answer
   x = 64,389.45