Finding the Fourth Proportional to 106,667.46, 147,090.84 and 91,609.98

Step by Step Solution

1. Step 1: Write the proportion equation
   106,667.46 : 147,090.84 = 91,609.98 : x
2. Step 2: Convert to fraction form
   106,667.46/147,090.84 = 91,609.98/x
3. Step 3: Cross multiply
   106,667.46x = 147,090.84 × 91,609.98
4. Step 4: Simplify right side
   106,667.46x = 13,474,988,910.58
5. Step 5: Solve for x
   x = 13,474,988,910.58/106,667.46
6. Step 6: Final answer
   x = 126,327.08