Finding the Fourth Proportional to 12,100.15, 18,145.56 and 4,703.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.15 : 18,145.56 = 4,703.62 : x
2. Step 2: Convert to fraction form
   12,100.15/18,145.56 = 4,703.62/x
3. Step 3: Cross multiply
   12,100.15x = 18,145.56 × 4,703.62
4. Step 4: Simplify right side
   12,100.15x = 85,349,818.93
5. Step 5: Solve for x
   x = 85,349,818.93/12,100.15
6. Step 6: Final answer
   x = 7,053.62