Finding the Fourth Proportional to 37,058.88, 55,580.90 and 13,365.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,058.88 : 55,580.90 = 13,365.78 : x
2. Step 2: Convert to fraction form
   37,058.88/55,580.90 = 13,365.78/x
3. Step 3: Cross multiply
   37,058.88x = 55,580.90 × 13,365.78
4. Step 4: Simplify right side
   37,058.88x = 742,882,081.60
5. Step 5: Solve for x
   x = 742,882,081.60/37,058.88
6. Step 6: Final answer
   x = 20,045.99