Finding the Fourth Proportional to 37,038.51, 55,561.14 and 12,072.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,038.51 : 55,561.14 = 12,072.15 : x
2. Step 2: Convert to fraction form
   37,038.51/55,561.14 = 12,072.15/x
3. Step 3: Cross multiply
   37,038.51x = 55,561.14 × 12,072.15
4. Step 4: Simplify right side
   37,038.51x = 670,742,416.25
5. Step 5: Solve for x
   x = 670,742,416.25/37,038.51
6. Step 6: Final answer
   x = 18,109.33