Finding the Fourth Proportional to 10,294,218.84, 15,436,050.72 and 5,439,136.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,294,218.84 : 15,436,050.72 = 5,439,136.25 : x
2. Step 2: Convert to fraction form
   10,294,218.84/15,436,050.72 = 5,439,136.25/x
3. Step 3: Cross multiply
   10,294,218.84x = 15,436,050.72 × 5,439,136.25
4. Step 4: Simplify right side
   10,294,218.84x = 83,958,783,014,392.75
5. Step 5: Solve for x
   x = 83,958,783,014,392.75/10,294,218.84
6. Step 6: Final answer
   x = 8,155,915.89