Finding the Fourth Proportional to 12,381,784.89, 18,573,651.40 and 3,283,882.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,381,784.89 : 18,573,651.40 = 3,283,882.47 : x
2. Step 2: Convert to fraction form
   12,381,784.89/18,573,651.40 = 3,283,882.47/x
3. Step 3: Cross multiply
   12,381,784.89x = 18,573,651.40 × 3,283,882.47
4. Step 4: Simplify right side
   12,381,784.89x = 60,993,688,236,350.95
5. Step 5: Solve for x
   x = 60,993,688,236,350.95/12,381,784.89
6. Step 6: Final answer
   x = 4,926,082.05