Finding the Fourth Proportional to 55,301.70, 82,902.72 and 37,538.40

Step by Step Solution

1. Step 1: Write the proportion equation
   55,301.70 : 82,902.72 = 37,538.40 : x
2. Step 2: Convert to fraction form
   55,301.70/82,902.72 = 37,538.40/x
3. Step 3: Cross multiply
   55,301.70x = 82,902.72 × 37,538.40
4. Step 4: Simplify right side
   55,301.70x = 3,112,035,464.45
5. Step 5: Solve for x
   x = 3,112,035,464.45/55,301.70
6. Step 6: Final answer
   x = 56,273.78