Finding the Fourth Proportional to 21,259,826.72, 29,338,553.04 and 11,602,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,259,826.72 : 29,338,553.04 = 11,602,034.72 : x
2. Step 2: Convert to fraction form
   21,259,826.72/29,338,553.04 = 11,602,034.72/x
3. Step 3: Cross multiply
   21,259,826.72x = 29,338,553.04 × 11,602,034.72
4. Step 4: Simplify right side
   21,259,826.72x = 340,386,911,004,641.56
5. Step 5: Solve for x
   x = 340,386,911,004,641.56/21,259,826.72
6. Step 6: Final answer
   x = 16,010,803.64