Finding the Fourth Proportional to 744,064.72, 1,026,804.20 and 404,532.96

Step by Step Solution

1. Step 1: Write the proportion equation
   744,064.72 : 1,026,804.20 = 404,532.96 : x
2. Step 2: Convert to fraction form
   744,064.72/1,026,804.20 = 404,532.96/x
3. Step 3: Cross multiply
   744,064.72x = 1,026,804.20 × 404,532.96
4. Step 4: Simplify right side
   744,064.72x = 415,376,142,366.43
5. Step 5: Solve for x
   x = 415,376,142,366.43/744,064.72
6. Step 6: Final answer
   x = 558,252.70