Finding the Fourth Proportional to 69,435.50, 95,820.98 and 39,219.39

Step by Step Solution

1. Step 1: Write the proportion equation
   69,435.50 : 95,820.98 = 39,219.39 : x
2. Step 2: Convert to fraction form
   69,435.50/95,820.98 = 39,219.39/x
3. Step 3: Cross multiply
   69,435.50x = 95,820.98 × 39,219.39
4. Step 4: Simplify right side
   69,435.50x = 3,758,040,188.71
5. Step 5: Solve for x
   x = 3,758,040,188.71/69,435.50
6. Step 6: Final answer
   x = 54,122.75