Finding the Fourth Proportional to 21,404,404.96, 32,106,669.71 and 9,105,199.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404,404.96 : 32,106,669.71 = 9,105,199.46 : x
2. Step 2: Convert to fraction form
   21,404,404.96/32,106,669.71 = 9,105,199.46/x
3. Step 3: Cross multiply
   21,404,404.96x = 32,106,669.71 × 9,105,199.46
4. Step 4: Simplify right side
   21,404,404.96x = 292,337,631,855,070.44
5. Step 5: Solve for x
   x = 292,337,631,855,070.44/21,404,404.96
6. Step 6: Final answer
   x = 13,657,825.69