Finding the Fourth Proportional to 501,902.72, 692,630.74 and 272,461.78

Step by Step Solution

1. Step 1: Write the proportion equation
   501,902.72 : 692,630.74 = 272,461.78 : x
2. Step 2: Convert to fraction form
   501,902.72/692,630.74 = 272,461.78/x
3. Step 3: Cross multiply
   501,902.72x = 692,630.74 × 272,461.78
4. Step 4: Simplify right side
   501,902.72x = 188,715,404,303.12
5. Step 5: Solve for x
   x = 188,715,404,303.12/501,902.72
6. Step 6: Final answer
   x = 375,999.96