Finding the Fourth Proportional to 59,922.72, 89,709.66 and 42,130.26

Step by Step Solution

1. Step 1: Write the proportion equation
   59,922.72 : 89,709.66 = 42,130.26 : x
2. Step 2: Convert to fraction form
   59,922.72/89,709.66 = 42,130.26/x
3. Step 3: Cross multiply
   59,922.72x = 89,709.66 × 42,130.26
4. Step 4: Simplify right side
   59,922.72x = 3,779,491,300.31
5. Step 5: Solve for x
   x = 3,779,491,300.31/59,922.72
6. Step 6: Final answer
   x = 63,072.76