Finding the Fourth Proportional to 2,250,123.47, 3,105,178.57 and 1,217,631.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,123.47 : 3,105,178.57 = 1,217,631.15 : x
2. Step 2: Convert to fraction form
   2,250,123.47/3,105,178.57 = 1,217,631.15/x
3. Step 3: Cross multiply
   2,250,123.47x = 3,105,178.57 × 1,217,631.15
4. Step 4: Simplify right side
   2,250,123.47x = 3,780,962,147,817.32
5. Step 5: Solve for x
   x = 3,780,962,147,817.32/2,250,123.47
6. Step 6: Final answer
   x = 1,680,335.41