Finding the Fourth Proportional to 87,667.46, 120,980.82 and 47,381.10

Step by Step Solution

1. Step 1: Write the proportion equation
   87,667.46 : 120,980.82 = 47,381.10 : x
2. Step 2: Convert to fraction form
   87,667.46/120,980.82 = 47,381.10/x
3. Step 3: Cross multiply
   87,667.46x = 120,980.82 × 47,381.10
4. Step 4: Simplify right side
   87,667.46x = 5,732,204,335.24
5. Step 5: Solve for x
   x = 5,732,204,335.24/87,667.46
6. Step 6: Final answer
   x = 65,385.77