Finding the Fourth Proportional to 501,807.47, 692,485.62 and 272,359.83

Step by Step Solution

1. Step 1: Write the proportion equation
   501,807.47 : 692,485.62 = 272,359.83 : x
2. Step 2: Convert to fraction form
   501,807.47/692,485.62 = 272,359.83/x
3. Step 3: Cross multiply
   501,807.47x = 692,485.62 × 272,359.83
4. Step 4: Simplify right side
   501,807.47x = 188,605,270,008.02
5. Step 5: Solve for x
   x = 188,605,270,008.02/501,807.47
6. Step 6: Final answer
   x = 375,851.86