Finding the Fourth Proportional to 1,377,939.59, 1,901,584.63 and 766,116.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,939.59 : 1,901,584.63 = 766,116.62 : x
2. Step 2: Convert to fraction form
   1,377,939.59/1,901,584.63 = 766,116.62/x
3. Step 3: Cross multiply
   1,377,939.59x = 1,901,584.63 × 766,116.62
4. Step 4: Simplify right side
   1,377,939.59x = 1,456,835,595,091.16
5. Step 5: Solve for x
   x = 1,456,835,595,091.16/1,377,939.59
6. Step 6: Final answer
   x = 1,057,256.50