Finding the Fourth Proportional to 16,897,768.34, 25,336,530.34 and 5,378,259.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,897,768.34 : 25,336,530.34 = 5,378,259.78 : x
2. Step 2: Convert to fraction form
   16,897,768.34/25,336,530.34 = 5,378,259.78/x
3. Step 3: Cross multiply
   16,897,768.34x = 25,336,530.34 × 5,378,259.78
4. Step 4: Simplify right side
   16,897,768.34x = 136,266,442,092,371.73
5. Step 5: Solve for x
   x = 136,266,442,092,371.73/16,897,768.34
6. Step 6: Final answer
   x = 8,064,167.96