Finding the Fourth Proportional to 108,667.10, 149,964.50 and 63,337.78

Step by Step Solution

1. Step 1: Write the proportion equation
   108,667.10 : 149,964.50 = 63,337.78 : x
2. Step 2: Convert to fraction form
   108,667.10/149,964.50 = 63,337.78/x
3. Step 3: Cross multiply
   108,667.10x = 149,964.50 × 63,337.78
4. Step 4: Simplify right side
   108,667.10x = 9,498,417,817.21
5. Step 5: Solve for x
   x = 9,498,417,817.21/108,667.10
6. Step 6: Final answer
   x = 87,408.40