Finding the Fourth Proportional to 1,499,740.32, 2,069,682.30 and 918,953.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,740.32 : 2,069,682.30 = 918,953.40 : x
2. Step 2: Convert to fraction form
   1,499,740.32/2,069,682.30 = 918,953.40/x
3. Step 3: Cross multiply
   1,499,740.32x = 2,069,682.30 × 918,953.40
4. Step 4: Simplify right side
   1,499,740.32x = 1,901,941,586,504.82
5. Step 5: Solve for x
   x = 1,901,941,586,504.82/1,499,740.32
6. Step 6: Final answer
   x = 1,268,180.61