Finding the Fourth Proportional to 1,399,499.82, 2,099,345.12 and 475,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,499.82 : 2,099,345.12 = 475,879.72 : x
2. Step 2: Convert to fraction form
   1,399,499.82/2,099,345.12 = 475,879.72/x
3. Step 3: Cross multiply
   1,399,499.82x = 2,099,345.12 × 475,879.72
4. Step 4: Simplify right side
   1,399,499.82x = 999,035,763,830.30
5. Step 5: Solve for x
   x = 999,035,763,830.30/1,399,499.82
6. Step 6: Final answer
   x = 713,852.01