Finding the Fourth Proportional to 21,902,674.78, 30,229,734.72 and 14,071,976.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,902,674.78 : 30,229,734.72 = 14,071,976.02 : x
2. Step 2: Convert to fraction form
   21,902,674.78/30,229,734.72 = 14,071,976.02/x
3. Step 3: Cross multiply
   21,902,674.78x = 30,229,734.72 × 14,071,976.02
4. Step 4: Simplify right side
   21,902,674.78x = 425,392,102,070,801.38
5. Step 5: Solve for x
   x = 425,392,102,070,801.38/21,902,674.78
6. Step 6: Final answer
   x = 19,421,924.78