Finding the Fourth Proportional to 123,333.21, 185,019.12 and 52,255.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,333.21 : 185,019.12 = 52,255.98 : x
2. Step 2: Convert to fraction form
   123,333.21/185,019.12 = 52,255.98/x
3. Step 3: Cross multiply
   123,333.21x = 185,019.12 × 52,255.98
4. Step 4: Simplify right side
   123,333.21x = 9,668,355,434.34
5. Step 5: Solve for x
   x = 9,668,355,434.34/123,333.21
6. Step 6: Final answer
   x = 78,392.15