Finding the Fourth Proportional to 805,502.32, 1,111,316.54 and 499,468.52

Step by Step Solution

1. Step 1: Write the proportion equation
   805,502.32 : 1,111,316.54 = 499,468.52 : x
2. Step 2: Convert to fraction form
   805,502.32/1,111,316.54 = 499,468.52/x
3. Step 3: Cross multiply
   805,502.32x = 1,111,316.54 × 499,468.52
4. Step 4: Simplify right side
   805,502.32x = 555,067,627,485.32
5. Step 5: Solve for x
   x = 555,067,627,485.32/805,502.32
6. Step 6: Final answer
   x = 689,095.01