Finding the Fourth Proportional to 10,187,468.72, 15,275,944.56 and 2,998,069.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,187,468.72 : 15,275,944.56 = 2,998,069.10 : x
2. Step 2: Convert to fraction form
   10,187,468.72/15,275,944.56 = 2,998,069.10/x
3. Step 3: Cross multiply
   10,187,468.72x = 15,275,944.56 × 2,998,069.10
4. Step 4: Simplify right side
   10,187,468.72x = 45,798,337,358,649.10
5. Step 5: Solve for x
   x = 45,798,337,358,649.10/10,187,468.72
6. Step 6: Final answer
   x = 4,495,556.12