Finding the Fourth Proportional to 5,892.18, 8,827.86 and 3,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,892.18 : 8,827.86 = 3,112.72 : x
2. Step 2: Convert to fraction form
   5,892.18/8,827.86 = 3,112.72/x
3. Step 3: Cross multiply
   5,892.18x = 8,827.86 × 3,112.72
4. Step 4: Simplify right side
   5,892.18x = 27,478,656.38
5. Step 5: Solve for x
   x = 27,478,656.38/5,892.18
6. Step 6: Final answer
   x = 4,663.58