Finding the Fourth Proportional to 897,723.34, 1,238,688.25 and 535,180.91

Step by Step Solution

1. Step 1: Write the proportion equation
   897,723.34 : 1,238,688.25 = 535,180.91 : x
2. Step 2: Convert to fraction form
   897,723.34/1,238,688.25 = 535,180.91/x
3. Step 3: Cross multiply
   897,723.34x = 1,238,688.25 × 535,180.91
4. Step 4: Simplify right side
   897,723.34x = 662,922,297,309.91
5. Step 5: Solve for x
   x = 662,922,297,309.91/897,723.34
6. Step 6: Final answer
   x = 738,448.33