Finding the Fourth Proportional to 2,158,196.95, 2,977,604.49 and 1,538,099.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,196.95 : 2,977,604.49 = 1,538,099.83 : x
2. Step 2: Convert to fraction form
   2,158,196.95/2,977,604.49 = 1,538,099.83/x
3. Step 3: Cross multiply
   2,158,196.95x = 2,977,604.49 × 1,538,099.83
4. Step 4: Simplify right side
   2,158,196.95x = 4,579,852,959,876.24
5. Step 5: Solve for x
   x = 4,579,852,959,876.24/2,158,196.95
6. Step 6: Final answer
   x = 2,122,073.69