Finding the Fourth Proportional to 9,168,136.98, 12,646,760.56 and 5,724,399.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168,136.98 : 12,646,760.56 = 5,724,399.30 : x
2. Step 2: Convert to fraction form
   9,168,136.98/12,646,760.56 = 5,724,399.30/x
3. Step 3: Cross multiply
   9,168,136.98x = 12,646,760.56 × 5,724,399.30
4. Step 4: Simplify right side
   9,168,136.98x = 72,395,107,296,931.61
5. Step 5: Solve for x
   x = 72,395,107,296,931.61/9,168,136.98
6. Step 6: Final answer
   x = 7,896,381.51