Finding the Fourth Proportional to 45,380.98, 68,074.71 and 12,100.87

Step by Step Solution

1. Step 1: Write the proportion equation
   45,380.98 : 68,074.71 = 12,100.87 : x
2. Step 2: Convert to fraction form
   45,380.98/68,074.71 = 12,100.87/x
3. Step 3: Cross multiply
   45,380.98x = 68,074.71 × 12,100.87
4. Step 4: Simplify right side
   45,380.98x = 823,763,216.00
5. Step 5: Solve for x
   x = 823,763,216.00/45,380.98
6. Step 6: Final answer
   x = 18,152.17