Finding the Fourth Proportional to 1,146,061.46, 1,581,574.19 and 716,590.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,061.46 : 1,581,574.19 = 716,590.55 : x
2. Step 2: Convert to fraction form
   1,146,061.46/1,581,574.19 = 716,590.55/x
3. Step 3: Cross multiply
   1,146,061.46x = 1,581,574.19 × 716,590.55
4. Step 4: Simplify right side
   1,146,061.46x = 1,133,341,119,048.89
5. Step 5: Solve for x
   x = 1,133,341,119,048.89/1,146,061.46
6. Step 6: Final answer
   x = 988,900.82