Finding the Fourth Proportional to 52,300.69, 78,735.65 and 47,650.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,300.69 : 78,735.65 = 47,650.58 : x
2. Step 2: Convert to fraction form
   52,300.69/78,735.65 = 47,650.58/x
3. Step 3: Cross multiply
   52,300.69x = 78,735.65 × 47,650.58
4. Step 4: Simplify right side
   52,300.69x = 3,751,799,052.50
5. Step 5: Solve for x
   x = 3,751,799,052.50/52,300.69
6. Step 6: Final answer
   x = 71,735.18