Finding the Fourth Proportional to 8,846.30, 12,209.63 and 5,072.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,846.30 : 12,209.63 = 5,072.00 : x
2. Step 2: Convert to fraction form
   8,846.30/12,209.63 = 5,072.00/x
3. Step 3: Cross multiply
   8,846.30x = 12,209.63 × 5,072.00
4. Step 4: Simplify right side
   8,846.30x = 61,927,156.95
5. Step 5: Solve for x
   x = 61,927,156.95/8,846.30
6. Step 6: Final answer
   x = 7,000.34