Finding the Fourth Proportional to 1,158,581.76, 1,738,811.52 and 597,776.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158,581.76 : 1,738,811.52 = 597,776.64 : x
2. Step 2: Convert to fraction form
   1,158,581.76/1,738,811.52 = 597,776.64/x
3. Step 3: Cross multiply
   1,158,581.76x = 1,738,811.52 × 597,776.64
4. Step 4: Simplify right side
   1,158,581.76x = 1,039,420,908,018.89
5. Step 5: Solve for x
   x = 1,039,420,908,018.89/1,158,581.76
6. Step 6: Final answer
   x = 897,149.38