Finding the Fourth Proportional to 671,653.08, 926,946.72 and 501,591.96

Step by Step Solution

1. Step 1: Write the proportion equation
   671,653.08 : 926,946.72 = 501,591.96 : x
2. Step 2: Convert to fraction form
   671,653.08/926,946.72 = 501,591.96/x
3. Step 3: Cross multiply
   671,653.08x = 926,946.72 × 501,591.96
4. Step 4: Simplify right side
   671,653.08x = 464,949,022,100.37
5. Step 5: Solve for x
   x = 464,949,022,100.37/671,653.08
6. Step 6: Final answer
   x = 692,245.80