Finding the Fourth Proportional to 1,553,969.69, 2,144,193.50 and 865,624.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,969.69 : 2,144,193.50 = 865,624.42 : x
2. Step 2: Convert to fraction form
   1,553,969.69/2,144,193.50 = 865,624.42/x
3. Step 3: Cross multiply
   1,553,969.69x = 2,144,193.50 × 865,624.42
4. Step 4: Simplify right side
   1,553,969.69x = 1,856,066,245,116.66
5. Step 5: Solve for x
   x = 1,856,066,245,116.66/1,553,969.69
6. Step 6: Final answer
   x = 1,194,403.12