Finding the Fourth Proportional to 37,018.71, 55,528.03 and 12,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,018.71 : 55,528.03 = 12,058.72 : x
2. Step 2: Convert to fraction form
   37,018.71/55,528.03 = 12,058.72/x
3. Step 3: Cross multiply
   37,018.71x = 55,528.03 × 12,058.72
4. Step 4: Simplify right side
   37,018.71x = 669,596,980.16
5. Step 5: Solve for x
   x = 669,596,980.16/37,018.71
6. Step 6: Final answer
   x = 18,088.07