Finding the Fourth Proportional to 388,895.94, 583,294.69 and 152,404.69

Step by Step Solution

1. Step 1: Write the proportion equation
   388,895.94 : 583,294.69 = 152,404.69 : x
2. Step 2: Convert to fraction form
   388,895.94/583,294.69 = 152,404.69/x
3. Step 3: Cross multiply
   388,895.94x = 583,294.69 × 152,404.69
4. Step 4: Simplify right side
   388,895.94x = 88,896,846,408.10
5. Step 5: Solve for x
   x = 88,896,846,408.10/388,895.94
6. Step 6: Final answer
   x = 228,587.75