Finding the Fourth Proportional to 11,917,665.38, 17,876,411.94 and 7,892,172.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,917,665.38 : 17,876,411.94 = 7,892,172.07 : x
2. Step 2: Convert to fraction form
   11,917,665.38/17,876,411.94 = 7,892,172.07/x
3. Step 3: Cross multiply
   11,917,665.38x = 17,876,411.94 × 7,892,172.07
4. Step 4: Simplify right side
   11,917,665.38x = 141,083,719,024,682.53
5. Step 5: Solve for x
   x = 141,083,719,024,682.53/11,917,665.38
6. Step 6: Final answer
   x = 11,838,201.07