Finding the Fourth Proportional to 58,783.86, 81,074.81 and 38,661.41

Step by Step Solution

1. Step 1: Write the proportion equation
   58,783.86 : 81,074.81 = 38,661.41 : x
2. Step 2: Convert to fraction form
   58,783.86/81,074.81 = 38,661.41/x
3. Step 3: Cross multiply
   58,783.86x = 81,074.81 × 38,661.41
4. Step 4: Simplify right side
   58,783.86x = 3,134,466,064.71
5. Step 5: Solve for x
   x = 3,134,466,064.71/58,783.86
6. Step 6: Final answer
   x = 53,321.88