Finding the Fourth Proportional to 65,314.64, 90,049.61 and 42,303.51

Step by Step Solution

1. Step 1: Write the proportion equation
   65,314.64 : 90,049.61 = 42,303.51 : x
2. Step 2: Convert to fraction form
   65,314.64/90,049.61 = 42,303.51/x
3. Step 3: Cross multiply
   65,314.64x = 90,049.61 × 42,303.51
4. Step 4: Simplify right side
   65,314.64x = 3,809,414,365.61
5. Step 5: Solve for x
   x = 3,809,414,365.61/65,314.64
6. Step 6: Final answer
   x = 58,324.06