Finding the Fourth Proportional to 10,759,123.21, 16,129,890.09 and 5,005,443.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,759,123.21 : 16,129,890.09 = 5,005,443.46 : x
2. Step 2: Convert to fraction form
   10,759,123.21/16,129,890.09 = 5,005,443.46/x
3. Step 3: Cross multiply
   10,759,123.21x = 16,129,890.09 × 5,005,443.46
4. Step 4: Simplify right side
   10,759,123.21x = 80,737,252,861,509.31
5. Step 5: Solve for x
   x = 80,737,252,861,509.31/10,759,123.21
6. Step 6: Final answer
   x = 7,504,073.64