Finding the Fourth Proportional to 65,050.58, 89,784.81 and 42,350.05

Step by Step Solution

1. Step 1: Write the proportion equation
   65,050.58 : 89,784.81 = 42,350.05 : x
2. Step 2: Convert to fraction form
   65,050.58/89,784.81 = 42,350.05/x
3. Step 3: Cross multiply
   65,050.58x = 89,784.81 × 42,350.05
4. Step 4: Simplify right side
   65,050.58x = 3,802,391,192.74
5. Step 5: Solve for x
   x = 3,802,391,192.74/65,050.58
6. Step 6: Final answer
   x = 58,452.84