Finding the Fourth Proportional to 12,387,131.40, 17,094,511.98 and 6,805,449.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,387,131.40 : 17,094,511.98 = 6,805,449.96 : x
2. Step 2: Convert to fraction form
   12,387,131.40/17,094,511.98 = 6,805,449.96/x
3. Step 3: Cross multiply
   12,387,131.40x = 17,094,511.98 × 6,805,449.96
4. Step 4: Simplify right side
   12,387,131.40x = 116,335,845,870,510.52
5. Step 5: Solve for x
   x = 116,335,845,870,510.52/12,387,131.40
6. Step 6: Final answer
   x = 9,391,669.64