Finding the Fourth Proportional to 21,902,684.78, 30,229,748.52 and 14,071,986.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,902,684.78 : 30,229,748.52 = 14,071,986.02 : x
2. Step 2: Convert to fraction form
   21,902,684.78/30,229,748.52 = 14,071,986.02/x
3. Step 3: Cross multiply
   21,902,684.78x = 30,229,748.52 × 14,071,986.02
4. Step 4: Simplify right side
   21,902,684.78x = 425,392,598,561,555.69
5. Step 5: Solve for x
   x = 425,392,598,561,555.69/21,902,684.78
6. Step 6: Final answer
   x = 19,421,938.58