Finding the Fourth Proportional to 1,379,476.72, 1,903,659.54 and 775,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,476.72 : 1,903,659.54 = 775,864.72 : x
2. Step 2: Convert to fraction form
   1,379,476.72/1,903,659.54 = 775,864.72/x
3. Step 3: Cross multiply
   1,379,476.72x = 1,903,659.54 × 775,864.72
4. Step 4: Simplify right side
   1,379,476.72x = 1,476,982,275,977.43
5. Step 5: Solve for x
   x = 1,476,982,275,977.43/1,379,476.72
6. Step 6: Final answer
   x = 1,070,683.00