Finding the Fourth Proportional to 1,505,105.07, 2,077,443.23 and 931,819.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505,105.07 : 2,077,443.23 = 931,819.47 : x
2. Step 2: Convert to fraction form
   1,505,105.07/2,077,443.23 = 931,819.47/x
3. Step 3: Cross multiply
   1,505,105.07x = 2,077,443.23 × 931,819.47
4. Step 4: Simplify right side
   1,505,105.07x = 1,935,802,044,874.59
5. Step 5: Solve for x
   x = 1,935,802,044,874.59/1,505,105.07
6. Step 6: Final answer
   x = 1,286,157.41