Finding the Fourth Proportional to 45,554.00, 68,328.56 and 12,275.15

Step by Step Solution

1. Step 1: Write the proportion equation
   45,554.00 : 68,328.56 = 12,275.15 : x
2. Step 2: Convert to fraction form
   45,554.00/68,328.56 = 12,275.15/x
3. Step 3: Cross multiply
   45,554.00x = 68,328.56 × 12,275.15
4. Step 4: Simplify right side
   45,554.00x = 838,743,012.33
5. Step 5: Solve for x
   x = 838,743,012.33/45,554.00
6. Step 6: Final answer
   x = 18,412.06