Finding the Fourth Proportional to 8,966.58, 12,373.18 and 4,987.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,966.58 : 12,373.18 = 4,987.05 : x
2. Step 2: Convert to fraction form
   8,966.58/12,373.18 = 4,987.05/x
3. Step 3: Cross multiply
   8,966.58x = 12,373.18 × 4,987.05
4. Step 4: Simplify right side
   8,966.58x = 61,705,667.32
5. Step 5: Solve for x
   x = 61,705,667.32/8,966.58
6. Step 6: Final answer
   x = 6,881.74