Finding the Fourth Proportional to 62,570.45, 86,346.53 and 33,889.40

Step by Step Solution

1. Step 1: Write the proportion equation
   62,570.45 : 86,346.53 = 33,889.40 : x
2. Step 2: Convert to fraction form
   62,570.45/86,346.53 = 33,889.40/x
3. Step 3: Cross multiply
   62,570.45x = 86,346.53 × 33,889.40
4. Step 4: Simplify right side
   62,570.45x = 2,926,231,619.69
5. Step 5: Solve for x
   x = 2,926,231,619.69/62,570.45
6. Step 6: Final answer
   x = 46,766.99