Finding the Fourth Proportional to 65,051.58, 89,786.19 and 42,351.06

Step by Step Solution

1. Step 1: Write the proportion equation
   65,051.58 : 89,786.19 = 42,351.06 : x
2. Step 2: Convert to fraction form
   65,051.58/89,786.19 = 42,351.06/x
3. Step 3: Cross multiply
   65,051.58x = 89,786.19 × 42,351.06
4. Step 4: Simplify right side
   65,051.58x = 3,802,540,319.86
5. Step 5: Solve for x
   x = 3,802,540,319.86/65,051.58
6. Step 6: Final answer
   x = 58,454.23