Finding the Fourth Proportional to 1,097,141.69, 1,513,393.49 and 724,606.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,141.69 : 1,513,393.49 = 724,606.89 : x
2. Step 2: Convert to fraction form
   1,097,141.69/1,513,393.49 = 724,606.89/x
3. Step 3: Cross multiply
   1,097,141.69x = 1,513,393.49 × 724,606.89
4. Step 4: Simplify right side
   1,097,141.69x = 1,096,615,346,512.11
5. Step 5: Solve for x
   x = 1,096,615,346,512.11/1,097,141.69
6. Step 6: Final answer
   x = 999,520.26