Finding the Fourth Proportional to 166,868.16, 250,303.32 and 42,209.52

Step by Step Solution

1. Step 1: Write the proportion equation
   166,868.16 : 250,303.32 = 42,209.52 : x
2. Step 2: Convert to fraction form
   166,868.16/250,303.32 = 42,209.52/x
3. Step 3: Cross multiply
   166,868.16x = 250,303.32 × 42,209.52
4. Step 4: Simplify right side
   166,868.16x = 10,565,182,991.61
5. Step 5: Solve for x
   x = 10,565,182,991.61/166,868.16
6. Step 6: Final answer
   x = 63,314.55