Finding the Fourth Proportional to 12,994.16, 17,927.69 and 7,953.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.16 : 17,927.69 = 7,953.12 : x
2. Step 2: Convert to fraction form
   12,994.16/17,927.69 = 7,953.12/x
3. Step 3: Cross multiply
   12,994.16x = 17,927.69 × 7,953.12
4. Step 4: Simplify right side
   12,994.16x = 142,581,030.13
5. Step 5: Solve for x
   x = 142,581,030.13/12,994.16
6. Step 6: Final answer
   x = 10,972.71