Finding the Fourth Proportional to 12,737,521.98, 17,577,606.42 and 7,230,848.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737,521.98 : 17,577,606.42 = 7,230,848.76 : x
2. Step 2: Convert to fraction form
   12,737,521.98/17,577,606.42 = 7,230,848.76/x
3. Step 3: Cross multiply
   12,737,521.98x = 17,577,606.42 × 7,230,848.76
4. Step 4: Simplify right side
   12,737,521.98x = 127,101,013,585,825.05
5. Step 5: Solve for x
   x = 127,101,013,585,825.05/12,737,521.98
6. Step 6: Final answer
   x = 9,978,472.56