Finding the Fourth Proportional to 21,193,443.06, 31,794,905.31 and 7,730,271.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,193,443.06 : 31,794,905.31 = 7,730,271.06 : x
2. Step 2: Convert to fraction form
   21,193,443.06/31,794,905.31 = 7,730,271.06/x
3. Step 3: Cross multiply
   21,193,443.06x = 31,794,905.31 × 7,730,271.06
4. Step 4: Simplify right side
   21,193,443.06x = 245,783,236,373,333.31
5. Step 5: Solve for x
   x = 245,783,236,373,333.31/21,193,443.06
6. Step 6: Final answer
   x = 11,597,135.76