Finding the Fourth Proportional to 69,871.56, 104,858.10 and 52,388.52

Step by Step Solution

1. Step 1: Write the proportion equation
   69,871.56 : 104,858.10 = 52,388.52 : x
2. Step 2: Convert to fraction form
   69,871.56/104,858.10 = 52,388.52/x
3. Step 3: Cross multiply
   69,871.56x = 104,858.10 × 52,388.52
4. Step 4: Simplify right side
   69,871.56x = 5,493,360,669.01
5. Step 5: Solve for x
   x = 5,493,360,669.01/69,871.56
6. Step 6: Final answer
   x = 78,620.84