Finding the Fourth Proportional to 12,100.56, 18,151.96 and 4,705.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.56 : 18,151.96 = 4,705.58 : x
2. Step 2: Convert to fraction form
   12,100.56/18,151.96 = 4,705.58/x
3. Step 3: Cross multiply
   12,100.56x = 18,151.96 × 4,705.58
4. Step 4: Simplify right side
   12,100.56x = 85,415,409.18
5. Step 5: Solve for x
   x = 85,415,409.18/12,100.56
6. Step 6: Final answer
   x = 7,058.80