Finding the Fourth Proportional to 21,525,056.56, 32,287,448.04 and 7,879,153.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,525,056.56 : 32,287,448.04 = 7,879,153.42 : x
2. Step 2: Convert to fraction form
   21,525,056.56/32,287,448.04 = 7,879,153.42/x
3. Step 3: Cross multiply
   21,525,056.56x = 32,287,448.04 × 7,879,153.42
4. Step 4: Simplify right side
   21,525,056.56x = 254,397,756,647,438.28
5. Step 5: Solve for x
   x = 254,397,756,647,438.28/21,525,056.56
6. Step 6: Final answer
   x = 11,818,680.05