Finding the Fourth Proportional to 1,139,714.28, 1,708,061.34 and 606,086.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,714.28 : 1,708,061.34 = 606,086.28 : x
2. Step 2: Convert to fraction form
   1,139,714.28/1,708,061.34 = 606,086.28/x
3. Step 3: Cross multiply
   1,139,714.28x = 1,708,061.34 × 606,086.28
4. Step 4: Simplify right side
   1,139,714.28x = 1,035,232,543,572.42
5. Step 5: Solve for x
   x = 1,035,232,543,572.42/1,139,714.28
6. Step 6: Final answer
   x = 908,326.38