Finding the Fourth Proportional to 973,478.91, 1,456,665.89 and 574,310.91

Step by Step Solution

1. Step 1: Write the proportion equation
   973,478.91 : 1,456,665.89 = 574,310.91 : x
2. Step 2: Convert to fraction form
   973,478.91/1,456,665.89 = 574,310.91/x
3. Step 3: Cross multiply
   973,478.91x = 1,456,665.89 × 574,310.91
4. Step 4: Simplify right side
   973,478.91x = 836,579,109,980.31
5. Step 5: Solve for x
   x = 836,579,109,980.31/973,478.91
6. Step 6: Final answer
   x = 859,370.55