Finding the Fourth Proportional to 39,435.68, 59,086.71 and 23,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,435.68 : 59,086.71 = 23,820.50 : x
2. Step 2: Convert to fraction form
   39,435.68/59,086.71 = 23,820.50/x
3. Step 3: Cross multiply
   39,435.68x = 59,086.71 × 23,820.50
4. Step 4: Simplify right side
   39,435.68x = 1,407,474,975.56
5. Step 5: Solve for x
   x = 1,407,474,975.56/39,435.68
6. Step 6: Final answer
   x = 35,690.39