Finding the Fourth Proportional to 1,148,880, 1,585,490.88 and 719,022.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148,880 : 1,585,490.88 = 719,022.72 : x
2. Step 2: Convert to fraction form
   1,148,880/1,585,490.88 = 719,022.72/x
3. Step 3: Cross multiply
   1,148,880x = 1,585,490.88 × 719,022.72
4. Step 4: Simplify right side
   1,148,880x = 1,140,003,965,072.79
5. Step 5: Solve for x
   x = 1,140,003,965,072.79/1,148,880
6. Step 6: Final answer
   x = 992,274.18