Finding the Fourth Proportional to 21,841,493.05, 30,147,255.71 and 12,677,088.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,841,493.05 : 30,147,255.71 = 12,677,088.25 : x
2. Step 2: Convert to fraction form
   21,841,493.05/30,147,255.71 = 12,677,088.25/x
3. Step 3: Cross multiply
   21,841,493.05x = 30,147,255.71 × 12,677,088.25
4. Step 4: Simplify right side
   21,841,493.05x = 382,179,421,130,986.44
5. Step 5: Solve for x
   x = 382,179,421,130,986.44/21,841,493.05
6. Step 6: Final answer
   x = 17,497,861.54