Finding the Fourth Proportional to 1,149,260.06, 1,585,978.82 and 666,105.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,149,260.06 : 1,585,978.82 = 666,105.46 : x
2. Step 2: Convert to fraction form
   1,149,260.06/1,585,978.82 = 666,105.46/x
3. Step 3: Cross multiply
   1,149,260.06x = 1,585,978.82 × 666,105.46
4. Step 4: Simplify right side
   1,149,260.06x = 1,056,429,151,446.36
5. Step 5: Solve for x
   x = 1,056,429,151,446.36/1,149,260.06
6. Step 6: Final answer
   x = 919,225.50