Finding the Fourth Proportional to 12,565,814.43, 17,338,934.88 and 7,058,134.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,565,814.43 : 17,338,934.88 = 7,058,134.38 : x
2. Step 2: Convert to fraction form
   12,565,814.43/17,338,934.88 = 7,058,134.38/x
3. Step 3: Cross multiply
   12,565,814.43x = 17,338,934.88 × 7,058,134.38
4. Step 4: Simplify right side
   12,565,814.43x = 122,380,532,389,109.17
5. Step 5: Solve for x
   x = 122,380,532,389,109.17/12,565,814.43
6. Step 6: Final answer
   x = 9,739,164.39