Finding the Fourth Proportional to 931,892.06, 1,395,789.14 and 770,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   931,892.06 : 1,395,789.14 = 770,134.72 : x
2. Step 2: Convert to fraction form
   931,892.06/1,395,789.14 = 770,134.72/x
3. Step 3: Cross multiply
   931,892.06x = 1,395,789.14 × 770,134.72
4. Step 4: Simplify right side
   931,892.06x = 1,074,945,678,512.94
5. Step 5: Solve for x
   x = 1,074,945,678,512.94/931,892.06
6. Step 6: Final answer
   x = 1,153,508.79