Finding the Fourth Proportional to 704,790, 973,417.50 and 464,148.18

Step by Step Solution

1. Step 1: Write the proportion equation
   704,790 : 973,417.50 = 464,148.18 : x
2. Step 2: Convert to fraction form
   704,790/973,417.50 = 464,148.18/x
3. Step 3: Cross multiply
   704,790x = 973,417.50 × 464,148.18
4. Step 4: Simplify right side
   704,790x = 451,809,961,005.15
5. Step 5: Solve for x
   x = 451,809,961,005.15/704,790
6. Step 6: Final answer
   x = 641,056.15