Finding the Fourth Proportional to 12,404,112.72, 17,117,689.62 and 6,897,369.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404,112.72 : 17,117,689.62 = 6,897,369.36 : x
2. Step 2: Convert to fraction form
   12,404,112.72/17,117,689.62 = 6,897,369.36/x
3. Step 3: Cross multiply
   12,404,112.72x = 17,117,689.62 × 6,897,369.36
4. Step 4: Simplify right side
   12,404,112.72x = 118,067,027,898,978.06
5. Step 5: Solve for x
   x = 118,067,027,898,978.06/12,404,112.72
6. Step 6: Final answer
   x = 9,518,377.54