Finding the Fourth Proportional to 69,409.22, 95,808.15 and 42,185.21

Step by Step Solution

1. Step 1: Write the proportion equation
   69,409.22 : 95,808.15 = 42,185.21 : x
2. Step 2: Convert to fraction form
   69,409.22/95,808.15 = 42,185.21/x
3. Step 3: Cross multiply
   69,409.22x = 95,808.15 × 42,185.21
4. Step 4: Simplify right side
   69,409.22x = 4,041,686,448.42
5. Step 5: Solve for x
   x = 4,041,686,448.42/69,409.22
6. Step 6: Final answer
   x = 58,229.83