Finding the Fourth Proportional to 13,410.58, 18,506.93 and 7,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410.58 : 18,506.93 = 7,442.50 : x
2. Step 2: Convert to fraction form
   13,410.58/18,506.93 = 7,442.50/x
3. Step 3: Cross multiply
   13,410.58x = 18,506.93 × 7,442.50
4. Step 4: Simplify right side
   13,410.58x = 137,737,826.53
5. Step 5: Solve for x
   x = 137,737,826.53/13,410.58
6. Step 6: Final answer
   x = 10,270.83