Finding the Fourth Proportional to 11,870.01, 16,376.58 and 7,091.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.01 : 16,376.58 = 7,091.42 : x
2. Step 2: Convert to fraction form
   11,870.01/16,376.58 = 7,091.42/x
3. Step 3: Cross multiply
   11,870.01x = 16,376.58 × 7,091.42
4. Step 4: Simplify right side
   11,870.01x = 116,133,125.06
5. Step 5: Solve for x
   x = 116,133,125.06/11,870.01
6. Step 6: Final answer
   x = 9,783.74