Finding the Fourth Proportional to 503,294.72, 755,072.76 and 187,754

Step by Step Solution

1. Step 1: Write the proportion equation
   503,294.72 : 755,072.76 = 187,754 : x
2. Step 2: Convert to fraction form
   503,294.72/755,072.76 = 187,754/x
3. Step 3: Cross multiply
   503,294.72x = 755,072.76 × 187,754
4. Step 4: Simplify right side
   503,294.72x = 141,767,930,981.04
5. Step 5: Solve for x
   x = 141,767,930,981.04/503,294.72
6. Step 6: Final answer
   x = 281,679.75