Finding the Fourth Proportional to 1,243,251.56, 1,715,566.82 and 699,575.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,251.56 : 1,715,566.82 = 699,575.52 : x
2. Step 2: Convert to fraction form
   1,243,251.56/1,715,566.82 = 699,575.52/x
3. Step 3: Cross multiply
   1,243,251.56x = 1,715,566.82 × 699,575.52
4. Step 4: Simplify right side
   1,243,251.56x = 1,200,168,550,196.25
5. Step 5: Solve for x
   x = 1,200,168,550,196.25/1,243,251.56
6. Step 6: Final answer
   x = 965,346.51