Finding the Fourth Proportional to 37,066.73, 55,603.50 and 12,106.91

Step by Step Solution

1. Step 1: Write the proportion equation
   37,066.73 : 55,603.50 = 12,106.91 : x
2. Step 2: Convert to fraction form
   37,066.73/55,603.50 = 12,106.91/x
3. Step 3: Cross multiply
   37,066.73x = 55,603.50 × 12,106.91
4. Step 4: Simplify right side
   37,066.73x = 673,186,292.17
5. Step 5: Solve for x
   x = 673,186,292.17/37,066.73
6. Step 6: Final answer
   x = 18,161.47