Finding the Fourth Proportional to 6,139.71, 8,476.26 and 4,047.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.71 : 8,476.26 = 4,047.48 : x
2. Step 2: Convert to fraction form
   6,139.71/8,476.26 = 4,047.48/x
3. Step 3: Cross multiply
   6,139.71x = 8,476.26 × 4,047.48
4. Step 4: Simplify right side
   6,139.71x = 34,307,492.82
5. Step 5: Solve for x
   x = 34,307,492.82/6,139.71
6. Step 6: Final answer
   x = 5,587.80