Finding the Fourth Proportional to 14,078,402.82, 19,428,196.05 and 7,639,874.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,078,402.82 : 19,428,196.05 = 7,639,874.82 : x
2. Step 2: Convert to fraction form
   14,078,402.82/19,428,196.05 = 7,639,874.82/x
3. Step 3: Cross multiply
   14,078,402.82x = 19,428,196.05 × 7,639,874.82
4. Step 4: Simplify right side
   14,078,402.82x = 148,428,985,800,418.47
5. Step 5: Solve for x
   x = 148,428,985,800,418.47/14,078,402.82
6. Step 6: Final answer
   x = 10,543,027.34