Finding the Fourth Proportional to 842,072.04, 1,263,192.06 and 243,047.72

Step by Step Solution

1. Step 1: Write the proportion equation
   842,072.04 : 1,263,192.06 = 243,047.72 : x
2. Step 2: Convert to fraction form
   842,072.04/1,263,192.06 = 243,047.72/x
3. Step 3: Cross multiply
   842,072.04x = 1,263,192.06 × 243,047.72
4. Step 4: Simplify right side
   842,072.04x = 307,015,950,105.10
5. Step 5: Solve for x
   x = 307,015,950,105.10/842,072.04
6. Step 6: Final answer
   x = 364,595.82