Finding the Fourth Proportional to 55,301.28, 76,291.50 and 37,389.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,301.28 : 76,291.50 = 37,389.72 : x
2. Step 2: Convert to fraction form
   55,301.28/76,291.50 = 37,389.72/x
3. Step 3: Cross multiply
   55,301.28x = 76,291.50 × 37,389.72
4. Step 4: Simplify right side
   55,301.28x = 2,852,517,823.38
5. Step 5: Solve for x
   x = 2,852,517,823.38/55,301.28
6. Step 6: Final answer
   x = 51,581.41