Finding the Fourth Proportional to 2,018,523.76, 3,024,358.20 and 1,218,123.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,523.76 : 3,024,358.20 = 1,218,123.40 : x
2. Step 2: Convert to fraction form
   2,018,523.76/3,024,358.20 = 1,218,123.40/x
3. Step 3: Cross multiply
   2,018,523.76x = 3,024,358.20 × 1,218,123.40
4. Step 4: Simplify right side
   2,018,523.76x = 3,684,041,493,401.88
5. Step 5: Solve for x
   x = 3,684,041,493,401.88/2,018,523.76
6. Step 6: Final answer
   x = 1,825,116.73