Finding the Fourth Proportional to 65,041.91, 89,767.35 and 38,199.09

Step by Step Solution

1. Step 1: Write the proportion equation
   65,041.91 : 89,767.35 = 38,199.09 : x
2. Step 2: Convert to fraction form
   65,041.91/89,767.35 = 38,199.09/x
3. Step 3: Cross multiply
   65,041.91x = 89,767.35 × 38,199.09
4. Step 4: Simplify right side
   65,041.91x = 3,429,031,081.71
5. Step 5: Solve for x
   x = 3,429,031,081.71/65,041.91
6. Step 6: Final answer
   x = 52,720.34