Finding the Fourth Proportional to 12,572,963.82, 18,943,460.60 and 11,359,949.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,572,963.82 : 18,943,460.60 = 11,359,949.94 : x
2. Step 2: Convert to fraction form
   12,572,963.82/18,943,460.60 = 11,359,949.94/x
3. Step 3: Cross multiply
   12,572,963.82x = 18,943,460.60 × 11,359,949.94
4. Step 4: Simplify right side
   12,572,963.82x = 215,196,764,049,562.59
5. Step 5: Solve for x
   x = 215,196,764,049,562.59/12,572,963.82
6. Step 6: Final answer
   x = 17,115,834.19