Finding the Fourth Proportional to 1,144,566.86, 1,579,576.82 and 661,152.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,566.86 : 1,579,576.82 = 661,152.38 : x
2. Step 2: Convert to fraction form
   1,144,566.86/1,579,576.82 = 661,152.38/x
3. Step 3: Cross multiply
   1,144,566.86x = 1,579,576.82 × 661,152.38
4. Step 4: Simplify right side
   1,144,566.86x = 1,044,340,962,732.19
5. Step 5: Solve for x
   x = 1,044,340,962,732.19/1,144,566.86
6. Step 6: Final answer
   x = 912,433.34