Finding the Fourth Proportional to 3,977,930.79, 5,488,105.05 and 2,602,059.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977,930.79 : 5,488,105.05 = 2,602,059.12 : x
2. Step 2: Convert to fraction form
   3,977,930.79/5,488,105.05 = 2,602,059.12/x
3. Step 3: Cross multiply
   3,977,930.79x = 5,488,105.05 × 2,602,059.12
4. Step 4: Simplify right side
   3,977,930.79x = 14,280,373,796,870.56
5. Step 5: Solve for x
   x = 14,280,373,796,870.56/3,977,930.79
6. Step 6: Final answer
   x = 3,589,900.01