Finding the Fourth Proportional to 12,841,678.50, 17,721,540.01 and 6,961,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,841,678.50 : 17,721,540.01 = 6,961,294.50 : x
2. Step 2: Convert to fraction form
   12,841,678.50/17,721,540.01 = 6,961,294.50/x
3. Step 3: Cross multiply
   12,841,678.50x = 17,721,540.01 × 6,961,294.50
4. Step 4: Simplify right side
   12,841,678.50x = 123,364,859,003,142.95
5. Step 5: Solve for x
   x = 123,364,859,003,142.95/12,841,678.50
6. Step 6: Final answer
   x = 9,606,599.25