Finding the Fourth Proportional to 16,638,962.01, 25,072,016.14 and 13,672,773.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,638,962.01 : 25,072,016.14 = 13,672,773.88 : x
2. Step 2: Convert to fraction form
   16,638,962.01/25,072,016.14 = 13,672,773.88/x
3. Step 3: Cross multiply
   16,638,962.01x = 25,072,016.14 × 13,672,773.88
4. Step 4: Simplify right side
   16,638,962.01x = 342,804,007,397,930.44
5. Step 5: Solve for x
   x = 342,804,007,397,930.44/16,638,962.01
6. Step 6: Final answer
   x = 20,602,487.53