Finding the Fourth Proportional to 69,777.89, 104,619.47 and 35,499.42

Step by Step Solution

1. Step 1: Write the proportion equation
   69,777.89 : 104,619.47 = 35,499.42 : x
2. Step 2: Convert to fraction form
   69,777.89/104,619.47 = 35,499.42/x
3. Step 3: Cross multiply
   69,777.89x = 104,619.47 × 35,499.42
4. Step 4: Simplify right side
   69,777.89x = 3,713,930,594.46
5. Step 5: Solve for x
   x = 3,713,930,594.46/69,777.89
6. Step 6: Final answer
   x = 53,225.03