Finding the Fourth Proportional to 60,783.21, 83,814.71 and 39,523.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,783.21 : 83,814.71 = 39,523.05 : x
2. Step 2: Convert to fraction form
   60,783.21/83,814.71 = 39,523.05/x
3. Step 3: Cross multiply
   60,783.21x = 83,814.71 × 39,523.05
4. Step 4: Simplify right side
   60,783.21x = 3,312,612,776.45
5. Step 5: Solve for x
   x = 3,312,612,776.45/60,783.21
6. Step 6: Final answer
   x = 54,498.81