Finding the Fourth Proportional to 12,096,931.20, 18,124,401.60 and 7,834,905.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096,931.20 : 18,124,401.60 = 7,834,905.60 : x
2. Step 2: Convert to fraction form
   12,096,931.20/18,124,401.60 = 7,834,905.60/x
3. Step 3: Cross multiply
   12,096,931.20x = 18,124,401.60 × 7,834,905.60
4. Step 4: Simplify right side
   12,096,931.20x = 142,002,975,592,488.97
5. Step 5: Solve for x
   x = 142,002,975,592,488.97/12,096,931.20
6. Step 6: Final answer
   x = 11,738,760.29