Finding the Fourth Proportional to 12,611,885.15, 17,404,322.24 and 7,107,028.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,611,885.15 : 17,404,322.24 = 7,107,028.29 : x
2. Step 2: Convert to fraction form
   12,611,885.15/17,404,322.24 = 7,107,028.29/x
3. Step 3: Cross multiply
   12,611,885.15x = 17,404,322.24 × 7,107,028.29
4. Step 4: Simplify right side
   12,611,885.15x = 123,693,010,545,723.73
5. Step 5: Solve for x
   x = 123,693,010,545,723.73/12,611,885.15
6. Step 6: Final answer
   x = 9,807,654.37