Finding the Fourth Proportional to 12,826,443.53, 17,700,836.37 and 7,244,242.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826,443.53 : 17,700,836.37 = 7,244,242.22 : x
2. Step 2: Convert to fraction form
   12,826,443.53/17,700,836.37 = 7,244,242.22/x
3. Step 3: Cross multiply
   12,826,443.53x = 17,700,836.37 × 7,244,242.22
4. Step 4: Simplify right side
   12,826,443.53x = 128,229,146,160,865.55
5. Step 5: Solve for x
   x = 128,229,146,160,865.55/12,826,443.53
6. Step 6: Final answer
   x = 9,997,248.72