Finding the Fourth Proportional to 5,645,022.89, 8,424,874.59 and 5,100,214.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,645,022.89 : 8,424,874.59 = 5,100,214.19 : x
2. Step 2: Convert to fraction form
   5,645,022.89/8,424,874.59 = 5,100,214.19/x
3. Step 3: Cross multiply
   5,645,022.89x = 8,424,874.59 × 5,100,214.19
4. Step 4: Simplify right side
   5,645,022.89x = 42,968,664,871,638.25
5. Step 5: Solve for x
   x = 42,968,664,871,638.25/5,645,022.89
6. Step 6: Final answer
   x = 7,611,778.68