Finding the Fourth Proportional to 13,027,998.34, 17,980,793.82 and 7,228,648.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,027,998.34 : 17,980,793.82 = 7,228,648.42 : x
2. Step 2: Convert to fraction form
   13,027,998.34/17,980,793.82 = 7,228,648.42/x
3. Step 3: Cross multiply
   13,027,998.34x = 17,980,793.82 × 7,228,648.42
4. Step 4: Simplify right side
   13,027,998.34x = 129,976,836,837,288.77
5. Step 5: Solve for x
   x = 129,976,836,837,288.77/13,027,998.34
6. Step 6: Final answer
   x = 9,976,731.15