Finding the Fourth Proportional to 13,977.76, 19,284.72 and 7,927.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,977.76 : 19,284.72 = 7,927.31 : x
2. Step 2: Convert to fraction form
   13,977.76/19,284.72 = 7,927.31/x
3. Step 3: Cross multiply
   13,977.76x = 19,284.72 × 7,927.31
4. Step 4: Simplify right side
   13,977.76x = 152,875,914.07
5. Step 5: Solve for x
   x = 152,875,914.07/13,977.76
6. Step 6: Final answer
   x = 10,937.08