Finding the Fourth Proportional to 19,079,017.38, 26,326,654.29 and 12,897,513.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,079,017.38 : 26,326,654.29 = 12,897,513.82 : x
2. Step 2: Convert to fraction form
   19,079,017.38/26,326,654.29 = 12,897,513.82/x
3. Step 3: Cross multiply
   19,079,017.38x = 26,326,654.29 × 12,897,513.82
4. Step 4: Simplify right side
   19,079,017.38x = 339,548,387,539,637.31
5. Step 5: Solve for x
   x = 339,548,387,539,637.31/19,079,017.38
6. Step 6: Final answer
   x = 17,796,953.63