Finding the Fourth Proportional to 12,499.75, 18,758.90 and 5,925.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.75 : 18,758.90 = 5,925.95 : x
2. Step 2: Convert to fraction form
   12,499.75/18,758.90 = 5,925.95/x
3. Step 3: Cross multiply
   12,499.75x = 18,758.90 × 5,925.95
4. Step 4: Simplify right side
   12,499.75x = 111,164,303.46
5. Step 5: Solve for x
   x = 111,164,303.46/12,499.75
6. Step 6: Final answer
   x = 8,893.32