Finding the Fourth Proportional to 21,609,021.78, 32,401,567.71 and 8,838,495.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,609,021.78 : 32,401,567.71 = 8,838,495.54 : x
2. Step 2: Convert to fraction form
   21,609,021.78/32,401,567.71 = 8,838,495.54/x
3. Step 3: Cross multiply
   21,609,021.78x = 32,401,567.71 × 8,838,495.54
4. Step 4: Simplify right side
   21,609,021.78x = 286,381,111,693,843
5. Step 5: Solve for x
   x = 286,381,111,693,843/21,609,021.78
6. Step 6: Final answer
   x = 13,252,849.42