Finding the Fourth Proportional to 85,819.93, 118,443.76 and 47,587.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,819.93 : 118,443.76 = 47,587.98 : x
2. Step 2: Convert to fraction form
   85,819.93/118,443.76 = 47,587.98/x
3. Step 3: Cross multiply
   85,819.93x = 118,443.76 × 47,587.98
4. Step 4: Simplify right side
   85,819.93x = 5,636,499,508.30
5. Step 5: Solve for x
   x = 5,636,499,508.30/85,819.93
6. Step 6: Final answer
   x = 65,678.21