Finding the Fourth Proportional to 12,806,606.72, 17,672,885.16 and 7,005,337.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,806,606.72 : 17,672,885.16 = 7,005,337.72 : x
2. Step 2: Convert to fraction form
   12,806,606.72/17,672,885.16 = 7,005,337.72/x
3. Step 3: Cross multiply
   12,806,606.72x = 17,672,885.16 × 7,005,337.72
4. Step 4: Simplify right side
   12,806,606.72x = 123,804,529,032,576.23
5. Step 5: Solve for x
   x = 123,804,529,032,576.23/12,806,606.72
6. Step 6: Final answer
   x = 9,667,239.09