Finding the Fourth Proportional to 1,171,030.09, 1,615,932.52 and 712,081.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,030.09 : 1,615,932.52 = 712,081.30 : x
2. Step 2: Convert to fraction form
   1,171,030.09/1,615,932.52 = 712,081.30/x
3. Step 3: Cross multiply
   1,171,030.09x = 1,615,932.52 × 712,081.30
4. Step 4: Simplify right side
   1,171,030.09x = 1,150,675,329,553.88
5. Step 5: Solve for x
   x = 1,150,675,329,553.88/1,171,030.09
6. Step 6: Final answer
   x = 982,618.07