Finding the Fourth Proportional to 12,898.93, 17,795.05 and 7,862.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,898.93 : 17,795.05 = 7,862.46 : x
2. Step 2: Convert to fraction form
   12,898.93/17,795.05 = 7,862.46/x
3. Step 3: Cross multiply
   12,898.93x = 17,795.05 × 7,862.46
4. Step 4: Simplify right side
   12,898.93x = 139,912,868.82
5. Step 5: Solve for x
   x = 139,912,868.82/12,898.93
6. Step 6: Final answer
   x = 10,846.86