Finding the Fourth Proportional to 21,259,827.72, 29,338,554.42 and 11,602,035.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,259,827.72 : 29,338,554.42 = 11,602,035.72 : x
2. Step 2: Convert to fraction form
   21,259,827.72/29,338,554.42 = 11,602,035.72/x
3. Step 3: Cross multiply
   21,259,827.72x = 29,338,554.42 × 11,602,035.72
4. Step 4: Simplify right side
   21,259,827.72x = 340,386,956,354,003.94
5. Step 5: Solve for x
   x = 340,386,956,354,003.94/21,259,827.72
6. Step 6: Final answer
   x = 16,010,805.02