Finding the Fourth Proportional to 12,654,774.72, 18,985,397.76 and 3,679,326.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,654,774.72 : 18,985,397.76 = 3,679,326.72 : x
2. Step 2: Convert to fraction form
   12,654,774.72/18,985,397.76 = 3,679,326.72/x
3. Step 3: Cross multiply
   12,654,774.72x = 18,985,397.76 × 3,679,326.72
4. Step 4: Simplify right side
   12,654,774.72x = 69,853,481,268,196.16
5. Step 5: Solve for x
   x = 69,853,481,268,196.16/12,654,774.72
6. Step 6: Final answer
   x = 5,519,930.84