Finding the Fourth Proportional to 69,410.56, 104,169.32 and 36,139

Step by Step Solution

1. Step 1: Write the proportion equation
   69,410.56 : 104,169.32 = 36,139 : x
2. Step 2: Convert to fraction form
   69,410.56/104,169.32 = 36,139/x
3. Step 3: Cross multiply
   69,410.56x = 104,169.32 × 36,139
4. Step 4: Simplify right side
   69,410.56x = 3,764,575,055.48
5. Step 5: Solve for x
   x = 3,764,575,055.48/69,410.56
6. Step 6: Final answer
   x = 54,236.34