Finding the Fourth Proportional to 65,113.59, 89,826.39 and 42,150.84

Step by Step Solution

1. Step 1: Write the proportion equation
   65,113.59 : 89,826.39 = 42,150.84 : x
2. Step 2: Convert to fraction form
   65,113.59/89,826.39 = 42,150.84/x
3. Step 3: Cross multiply
   65,113.59x = 89,826.39 × 42,150.84
4. Step 4: Simplify right side
   65,113.59x = 3,786,257,792.67
5. Step 5: Solve for x
   x = 3,786,257,792.67/65,113.59
6. Step 6: Final answer
   x = 58,148.50