Finding the Fourth Proportional to 8,946.60, 12,347.82 and 5,758.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946.60 : 12,347.82 = 5,758.98 : x
2. Step 2: Convert to fraction form
   8,946.60/12,347.82 = 5,758.98/x
3. Step 3: Cross multiply
   8,946.60x = 12,347.82 × 5,758.98
4. Step 4: Simplify right side
   8,946.60x = 71,110,848.42
5. Step 5: Solve for x
   x = 71,110,848.42/8,946.60
6. Step 6: Final answer
   x = 7,948.37