Finding the Fourth Proportional to 1,243,250.06, 1,715,564.76 and 699,574.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,250.06 : 1,715,564.76 = 699,574.01 : x
2. Step 2: Convert to fraction form
   1,243,250.06/1,715,564.76 = 699,574.01/x
3. Step 3: Cross multiply
   1,243,250.06x = 1,715,564.76 × 699,574.01
4. Step 4: Simplify right side
   1,243,250.06x = 1,200,164,518,567.89
5. Step 5: Solve for x
   x = 1,200,164,518,567.89/1,243,250.06
6. Step 6: Final answer
   x = 965,344.43