Finding the Fourth Proportional to 13,377.90, 18,461.82 and 7,410.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,377.90 : 18,461.82 = 7,410.06 : x
2. Step 2: Convert to fraction form
   13,377.90/18,461.82 = 7,410.06/x
3. Step 3: Cross multiply
   13,377.90x = 18,461.82 × 7,410.06
4. Step 4: Simplify right side
   13,377.90x = 136,803,193.91
5. Step 5: Solve for x
   x = 136,803,193.91/13,377.90
6. Step 6: Final answer
   x = 10,226.06