Finding the Fourth Proportional to 12,303,123.28, 16,978,825.98 and 7,076,132.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,303,123.28 : 16,978,825.98 = 7,076,132.91 : x
2. Step 2: Convert to fraction form
   12,303,123.28/16,978,825.98 = 7,076,132.91/x
3. Step 3: Cross multiply
   12,303,123.28x = 16,978,825.98 × 7,076,132.91
4. Step 4: Simplify right side
   12,303,123.28x = 120,144,429,201,703.78
5. Step 5: Solve for x
   x = 120,144,429,201,703.78/12,303,123.28
6. Step 6: Final answer
   x = 9,765,360.10