Finding the Fourth Proportional to 8,641.71, 11,925.63 and 5,106.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,641.71 : 11,925.63 = 5,106.69 : x
2. Step 2: Convert to fraction form
   8,641.71/11,925.63 = 5,106.69/x
3. Step 3: Cross multiply
   8,641.71x = 11,925.63 × 5,106.69
4. Step 4: Simplify right side
   8,641.71x = 60,900,495.46
5. Step 5: Solve for x
   x = 60,900,495.46/8,641.71
6. Step 6: Final answer
   x = 7,047.27