Finding the Fourth Proportional to 12,906.00, 19,358.77 and 3,545.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906.00 : 19,358.77 = 3,545.98 : x
2. Step 2: Convert to fraction form
   12,906.00/19,358.77 = 3,545.98/x
3. Step 3: Cross multiply
   12,906.00x = 19,358.77 × 3,545.98
4. Step 4: Simplify right side
   12,906.00x = 68,645,748.17
5. Step 5: Solve for x
   x = 68,645,748.17/12,906.00
6. Step 6: Final answer
   x = 5,318.90