Finding the Fourth Proportional to 7,421,747.50, 11,144,864.69 and 5,008,405.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,421,747.50 : 11,144,864.69 = 5,008,405.64 : x
2. Step 2: Convert to fraction form
   7,421,747.50/11,144,864.69 = 5,008,405.64/x
3. Step 3: Cross multiply
   7,421,747.50x = 11,144,864.69 × 5,008,405.64
4. Step 4: Simplify right side
   7,421,747.50x = 55,818,003,213,050.55
5. Step 5: Solve for x
   x = 55,818,003,213,050.55/7,421,747.50
6. Step 6: Final answer
   x = 7,520,870.69