Finding the Fourth Proportional to 501,899.72, 692,622.14 and 272,456.88

Step by Step Solution

1. Step 1: Write the proportion equation
   501,899.72 : 692,622.14 = 272,456.88 : x
2. Step 2: Convert to fraction form
   501,899.72/692,622.14 = 272,456.88/x
3. Step 3: Cross multiply
   501,899.72x = 692,622.14 × 272,456.88
4. Step 4: Simplify right side
   501,899.72x = 188,709,667,283.32
5. Step 5: Solve for x
   x = 188,709,667,283.32/501,899.72
6. Step 6: Final answer
   x = 375,990.78