Finding the Fourth Proportional to 11,618,389.89, 17,411,641.43 and 7,350,918.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618,389.89 : 17,411,641.43 = 7,350,918.69 : x
2. Step 2: Convert to fraction form
   11,618,389.89/17,411,641.43 = 7,350,918.69/x
3. Step 3: Cross multiply
   11,618,389.89x = 17,411,641.43 × 7,350,918.69
4. Step 4: Simplify right side
   11,618,389.89x = 127,991,560,374,610.75
5. Step 5: Solve for x
   x = 127,991,560,374,610.75/11,618,389.89
6. Step 6: Final answer
   x = 11,016,290.69