Finding the Fourth Proportional to 4,071.89, 6,108.65 and 1,298.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,071.89 : 6,108.65 = 1,298.47 : x
2. Step 2: Convert to fraction form
   4,071.89/6,108.65 = 1,298.47/x
3. Step 3: Cross multiply
   4,071.89x = 6,108.65 × 1,298.47
4. Step 4: Simplify right side
   4,071.89x = 7,931,898.77
5. Step 5: Solve for x
   x = 7,931,898.77/4,071.89
6. Step 6: Final answer
   x = 1,947.96