Finding the Fourth Proportional to 69,322.89, 95,677.37 and 39,116.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,322.89 : 95,677.37 = 39,116.78 : x
2. Step 2: Convert to fraction form
   69,322.89/95,677.37 = 39,116.78/x
3. Step 3: Cross multiply
   69,322.89x = 95,677.37 × 39,116.78
4. Step 4: Simplify right side
   69,322.89x = 3,742,590,633.27
5. Step 5: Solve for x
   x = 3,742,590,633.27/69,322.89
6. Step 6: Final answer
   x = 53,987.80