Finding the Fourth Proportional to 12,303,124.98, 16,978,828.31 and 7,076,134.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,303,124.98 : 16,978,828.31 = 7,076,134.59 : x
2. Step 2: Convert to fraction form
   12,303,124.98/16,978,828.31 = 7,076,134.59/x
3. Step 3: Cross multiply
   12,303,124.98x = 16,978,828.31 × 7,076,134.59
4. Step 4: Simplify right side
   12,303,124.98x = 120,144,474,412,608.58
5. Step 5: Solve for x
   x = 120,144,474,412,608.58/12,303,124.98
6. Step 6: Final answer
   x = 9,765,362.43