Finding the Fourth Proportional to 10,787.33, 14,886.50 and 6,071.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,787.33 : 14,886.50 = 6,071.60 : x
2. Step 2: Convert to fraction form
   10,787.33/14,886.50 = 6,071.60/x
3. Step 3: Cross multiply
   10,787.33x = 14,886.50 × 6,071.60
4. Step 4: Simplify right side
   10,787.33x = 90,384,880.26
5. Step 5: Solve for x
   x = 90,384,880.26/10,787.33
6. Step 6: Final answer
   x = 8,378.80