Finding the Fourth Proportional to 11,461.90, 17,192.86 and 3,141.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,461.90 : 17,192.86 = 3,141.98 : x
2. Step 2: Convert to fraction form
   11,461.90/17,192.86 = 3,141.98/x
3. Step 3: Cross multiply
   11,461.90x = 17,192.86 × 3,141.98
4. Step 4: Simplify right side
   11,461.90x = 54,019,657.39
5. Step 5: Solve for x
   x = 54,019,657.39/11,461.90
6. Step 6: Final answer
   x = 4,712.98