Finding the Fourth Proportional to 108,675.25, 149,798.63 and 85,667.58

Step by Step Solution

1. Step 1: Write the proportion equation
   108,675.25 : 149,798.63 = 85,667.58 : x
2. Step 2: Convert to fraction form
   108,675.25/149,798.63 = 85,667.58/x
3. Step 3: Cross multiply
   108,675.25x = 149,798.63 × 85,667.58
4. Step 4: Simplify right side
   108,675.25x = 12,832,886,119.42
5. Step 5: Solve for x
   x = 12,832,886,119.42/108,675.25
6. Step 6: Final answer
   x = 118,084.72