Finding the Fourth Proportional to 65,112.59, 89,825.01 and 42,149.84

Step by Step Solution

1. Step 1: Write the proportion equation
   65,112.59 : 89,825.01 = 42,149.84 : x
2. Step 2: Convert to fraction form
   65,112.59/89,825.01 = 42,149.84/x
3. Step 3: Cross multiply
   65,112.59x = 89,825.01 × 42,149.84
4. Step 4: Simplify right side
   65,112.59x = 3,786,109,350.37
5. Step 5: Solve for x
   x = 3,786,109,350.37/65,112.59
6. Step 6: Final answer
   x = 58,147.12