Finding the Fourth Proportional to 879,103.50, 1,213,162.83 and 476,695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   879,103.50 : 1,213,162.83 = 476,695.50 : x
2. Step 2: Convert to fraction form
   879,103.50/1,213,162.83 = 476,695.50/x
3. Step 3: Cross multiply
   879,103.50x = 1,213,162.83 × 476,695.50
4. Step 4: Simplify right side
   879,103.50x = 578,309,261,828.27
5. Step 5: Solve for x
   x = 578,309,261,828.27/879,103.50
6. Step 6: Final answer
   x = 657,839.79