Finding the Fourth Proportional to 12,499.58, 18,749.64 and 3,734.66

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.58 : 18,749.64 = 3,734.66 : x
2. Step 2: Convert to fraction form
   12,499.58/18,749.64 = 3,734.66/x
3. Step 3: Cross multiply
   12,499.58x = 18,749.64 × 3,734.66
4. Step 4: Simplify right side
   12,499.58x = 70,023,530.52
5. Step 5: Solve for x
   x = 70,023,530.52/12,499.58
6. Step 6: Final answer
   x = 5,602.07