Finding the Fourth Proportional to 65,404, 90,234.24 and 42,756.01

Step by Step Solution

1. Step 1: Write the proportion equation
   65,404 : 90,234.24 = 42,756.01 : x
2. Step 2: Convert to fraction form
   65,404/90,234.24 = 42,756.01/x
3. Step 3: Cross multiply
   65,404x = 90,234.24 × 42,756.01
4. Step 4: Simplify right side
   65,404x = 3,858,056,067.78
5. Step 5: Solve for x
   x = 3,858,056,067.78/65,404
6. Step 6: Final answer
   x = 58,988.08