Finding the Fourth Proportional to 37,110.02, 55,671.39 and 12,142.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,110.02 : 55,671.39 = 12,142.98 : x
2. Step 2: Convert to fraction form
   37,110.02/55,671.39 = 12,142.98/x
3. Step 3: Cross multiply
   37,110.02x = 55,671.39 × 12,142.98
4. Step 4: Simplify right side
   37,110.02x = 676,016,575.34
5. Step 5: Solve for x
   x = 676,016,575.34/37,110.02
6. Step 6: Final answer
   x = 18,216.55