Finding the Fourth Proportional to 69,858.59, 104,812.47 and 30,410.55

Step by Step Solution

1. Step 1: Write the proportion equation
   69,858.59 : 104,812.47 = 30,410.55 : x
2. Step 2: Convert to fraction form
   69,858.59/104,812.47 = 30,410.55/x
3. Step 3: Cross multiply
   69,858.59x = 104,812.47 × 30,410.55
4. Step 4: Simplify right side
   69,858.59x = 3,187,404,859.56
5. Step 5: Solve for x
   x = 3,187,404,859.56/69,858.59
6. Step 6: Final answer
   x = 45,626.53