Finding the Fourth Proportional to 2,269,030.32, 3,131,262.38 and 1,236,538.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269,030.32 : 3,131,262.38 = 1,236,538.40 : x
2. Step 2: Convert to fraction form
   2,269,030.32/3,131,262.38 = 1,236,538.40/x
3. Step 3: Cross multiply
   2,269,030.32x = 3,131,262.38 × 1,236,538.40
4. Step 4: Simplify right side
   2,269,030.32x = 3,871,926,160,780.43
5. Step 5: Solve for x
   x = 3,871,926,160,780.43/2,269,030.32
6. Step 6: Final answer
   x = 1,706,423.28