Finding the Fourth Proportional to 1,145,773.55, 1,718,649.50 and 696,618.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,773.55 : 1,718,649.50 = 696,618.43 : x
2. Step 2: Convert to fraction form
   1,145,773.55/1,718,649.50 = 696,618.43/x
3. Step 3: Cross multiply
   1,145,773.55x = 1,718,649.50 × 696,618.43
4. Step 4: Simplify right side
   1,145,773.55x = 1,197,242,908,630.57
5. Step 5: Solve for x
   x = 1,197,242,908,630.57/1,145,773.55
6. Step 6: Final answer
   x = 1,044,921.05