Finding the Fourth Proportional to 60,907.37, 91,266.82 and 42,223.91

Step by Step Solution

1. Step 1: Write the proportion equation
   60,907.37 : 91,266.82 = 42,223.91 : x
2. Step 2: Convert to fraction form
   60,907.37/91,266.82 = 42,223.91/x
3. Step 3: Cross multiply
   60,907.37x = 91,266.82 × 42,223.91
4. Step 4: Simplify right side
   60,907.37x = 3,853,641,431.77
5. Step 5: Solve for x
   x = 3,853,641,431.77/60,907.37
6. Step 6: Final answer
   x = 63,270.53