Finding the Fourth Proportional to 13,900.30, 19,181.67 and 7,932.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,900.30 : 19,181.67 = 7,932.52 : x
2. Step 2: Convert to fraction form
   13,900.30/19,181.67 = 7,932.52/x
3. Step 3: Cross multiply
   13,900.30x = 19,181.67 × 7,932.52
4. Step 4: Simplify right side
   13,900.30x = 152,158,980.91
5. Step 5: Solve for x
   x = 152,158,980.91/13,900.30
6. Step 6: Final answer
   x = 10,946.45