Finding the Fourth Proportional to 12,748,349.75, 19,116,898.56 and 3,648,375.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748,349.75 : 19,116,898.56 = 3,648,375.38 : x
2. Step 2: Convert to fraction form
   12,748,349.75/19,116,898.56 = 3,648,375.38/x
3. Step 3: Cross multiply
   12,748,349.75x = 19,116,898.56 × 3,648,375.38
4. Step 4: Simplify right side
   12,748,349.75x = 69,745,622,096,053.69
5. Step 5: Solve for x
   x = 69,745,622,096,053.69/12,748,349.75
6. Step 6: Final answer
   x = 5,470,952.99