Finding the Fourth Proportional to 14,178,308.55, 21,283,209.23 and 7,801,016.55

Step by Step Solution

1. Step 1: Write the proportion equation
   14,178,308.55 : 21,283,209.23 = 7,801,016.55 : x
2. Step 2: Convert to fraction form
   14,178,308.55/21,283,209.23 = 7,801,016.55/x
3. Step 3: Cross multiply
   14,178,308.55x = 21,283,209.23 × 7,801,016.55
4. Step 4: Simplify right side
   14,178,308.55x = 166,030,667,401,337.69
5. Step 5: Solve for x
   x = 166,030,667,401,337.69/14,178,308.55
6. Step 6: Final answer
   x = 11,710,188.62