Finding the Fourth Proportional to 12,611,905.38, 17,404,350.12 and 7,107,048.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,611,905.38 : 17,404,350.12 = 7,107,048.54 : x
2. Step 2: Convert to fraction form
   12,611,905.38/17,404,350.12 = 7,107,048.54/x
3. Step 3: Cross multiply
   12,611,905.38x = 17,404,350.12 × 7,107,048.54
4. Step 4: Simplify right side
   12,611,905.38x = 123,693,561,109,994.83
5. Step 5: Solve for x
   x = 123,693,561,109,994.83/12,611,905.38
6. Step 6: Final answer
   x = 9,807,682.30