Finding the Fourth Proportional to 12,933.09, 19,384.59 and 7,390.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,933.09 : 19,384.59 = 7,390.32 : x
2. Step 2: Convert to fraction form
   12,933.09/19,384.59 = 7,390.32/x
3. Step 3: Cross multiply
   12,933.09x = 19,384.59 × 7,390.32
4. Step 4: Simplify right side
   12,933.09x = 143,258,323.17
5. Step 5: Solve for x
   x = 143,258,323.17/12,933.09
6. Step 6: Final answer
   x = 11,076.88