Finding the Fourth Proportional to 1,144,719.42, 1,579,392.72 and 715,435.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,719.42 : 1,579,392.72 = 715,435.62 : x
2. Step 2: Convert to fraction form
   1,144,719.42/1,579,392.72 = 715,435.62/x
3. Step 3: Cross multiply
   1,144,719.42x = 1,579,392.72 × 715,435.62
4. Step 4: Simplify right side
   1,144,719.42x = 1,129,953,809,856.69
5. Step 5: Solve for x
   x = 1,129,953,809,856.69/1,144,719.42
6. Step 6: Final answer
   x = 987,101.11