Finding the Fourth Proportional to 21,061,623.33, 31,604,092.52 and 10,279,013.49

Step by Step Solution

1. Step 1: Write the proportion equation
   21,061,623.33 : 31,604,092.52 = 10,279,013.49 : x
2. Step 2: Convert to fraction form
   21,061,623.33/31,604,092.52 = 10,279,013.49/x
3. Step 3: Cross multiply
   21,061,623.33x = 31,604,092.52 × 10,279,013.49
4. Step 4: Simplify right side
   21,061,623.33x = 324,858,893,300,893.06
5. Step 5: Solve for x
   x = 324,858,893,300,893.06/21,061,623.33
6. Step 6: Final answer
   x = 15,424,209.63