Finding the Fourth Proportional to 65,125.62, 89,843.04 and 42,162.86

Step by Step Solution

1. Step 1: Write the proportion equation
   65,125.62 : 89,843.04 = 42,162.86 : x
2. Step 2: Convert to fraction form
   65,125.62/89,843.04 = 42,162.86/x
3. Step 3: Cross multiply
   65,125.62x = 89,843.04 × 42,162.86
4. Step 4: Simplify right side
   65,125.62x = 3,788,039,742.10
5. Step 5: Solve for x
   x = 3,788,039,742.10/65,125.62
6. Step 6: Final answer
   x = 58,165.12