Finding the Fourth Proportional to 8,429.47, 11,630.59 and 4,892.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.47 : 11,630.59 = 4,892.00 : x
2. Step 2: Convert to fraction form
   8,429.47/11,630.59 = 4,892.00/x
3. Step 3: Cross multiply
   8,429.47x = 11,630.59 × 4,892.00
4. Step 4: Simplify right side
   8,429.47x = 56,896,775.90
5. Step 5: Solve for x
   x = 56,896,775.90/8,429.47
6. Step 6: Final answer
   x = 6,749.75