Finding the Fourth Proportional to 52,841, 72,921.12 and 31,624.40

Step by Step Solution

1. Step 1: Write the proportion equation
   52,841 : 72,921.12 = 31,624.40 : x
2. Step 2: Convert to fraction form
   52,841/72,921.12 = 31,624.40/x
3. Step 3: Cross multiply
   52,841x = 72,921.12 × 31,624.40
4. Step 4: Simplify right side
   52,841x = 2,306,086,667.33
5. Step 5: Solve for x
   x = 2,306,086,667.33/52,841
6. Step 6: Final answer
   x = 43,642.00