Finding the Fourth Proportional to 12,818,748.72, 17,689,874.09 and 7,017,530.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,818,748.72 : 17,689,874.09 = 7,017,530.46 : x
2. Step 2: Convert to fraction form
   12,818,748.72/17,689,874.09 = 7,017,530.46/x
3. Step 3: Cross multiply
   12,818,748.72x = 17,689,874.09 × 7,017,530.46
4. Step 4: Simplify right side
   12,818,748.72x = 124,139,230,222,934.36
5. Step 5: Solve for x
   x = 124,139,230,222,934.36/12,818,748.72
6. Step 6: Final answer
   x = 9,684,192.50