Finding the Fourth Proportional to 12,320.91, 18,487.58 and 4,927.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,320.91 : 18,487.58 = 4,927.50 : x
2. Step 2: Convert to fraction form
   12,320.91/18,487.58 = 4,927.50/x
3. Step 3: Cross multiply
   12,320.91x = 18,487.58 × 4,927.50
4. Step 4: Simplify right side
   12,320.91x = 91,097,525.81
5. Step 5: Solve for x
   x = 91,097,525.81/12,320.91
6. Step 6: Final answer
   x = 7,393.73