Finding the Fourth Proportional to 11,147,947.38, 16,717,911.57 and 3,859,428.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,147,947.38 : 16,717,911.57 = 3,859,428.06 : x
2. Step 2: Convert to fraction form
   11,147,947.38/16,717,911.57 = 3,859,428.06/x
3. Step 3: Cross multiply
   11,147,947.38x = 16,717,911.57 × 3,859,428.06
4. Step 4: Simplify right side
   11,147,947.38x = 64,521,577,017,856.66
5. Step 5: Solve for x
   x = 64,521,577,017,856.66/11,147,947.38
6. Step 6: Final answer
   x = 5,787,754.00