Finding the Fourth Proportional to 52,355.89, 78,487.35 and 19,069.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,355.89 : 78,487.35 = 19,069.75 : x
2. Step 2: Convert to fraction form
   52,355.89/78,487.35 = 19,069.75/x
3. Step 3: Cross multiply
   52,355.89x = 78,487.35 × 19,069.75
4. Step 4: Simplify right side
   52,355.89x = 1,496,734,142.66
5. Step 5: Solve for x
   x = 1,496,734,142.66/52,355.89
6. Step 6: Final answer
   x = 28,587.69