Finding the Fourth Proportional to 13,031,278.89, 17,983,167.59 and 7,230,046.79

Step by Step Solution

1. Step 1: Write the proportion equation
   13,031,278.89 : 17,983,167.59 = 7,230,046.79 : x
2. Step 2: Convert to fraction form
   13,031,278.89/17,983,167.59 = 7,230,046.79/x
3. Step 3: Cross multiply
   13,031,278.89x = 17,983,167.59 × 7,230,046.79
4. Step 4: Simplify right side
   13,031,278.89x = 130,019,143,108,111.53
5. Step 5: Solve for x
   x = 130,019,143,108,111.53/13,031,278.89
6. Step 6: Final answer
   x = 9,977,466.08