Finding the Fourth Proportional to 8,946.17, 12,345.88 and 4,912.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946.17 : 12,345.88 = 4,912.98 : x
2. Step 2: Convert to fraction form
   8,946.17/12,345.88 = 4,912.98/x
3. Step 3: Cross multiply
   8,946.17x = 12,345.88 × 4,912.98
4. Step 4: Simplify right side
   8,946.17x = 60,655,061.52
5. Step 5: Solve for x
   x = 60,655,061.52/8,946.17
6. Step 6: Final answer
   x = 6,780.00