Finding the Fourth Proportional to 10,968,558.75, 16,443,081.36 and 5,207,738.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,968,558.75 : 16,443,081.36 = 5,207,738.31 : x
2. Step 2: Convert to fraction form
   10,968,558.75/16,443,081.36 = 5,207,738.31/x
3. Step 3: Cross multiply
   10,968,558.75x = 16,443,081.36 × 5,207,738.31
4. Step 4: Simplify right side
   10,968,558.75x = 85,631,264,732,918.89
5. Step 5: Solve for x
   x = 85,631,264,732,918.89/10,968,558.75
6. Step 6: Final answer
   x = 7,806,975.07