Finding the Fourth Proportional to 107,870.56, 148,522.60 and 91,706.06

Step by Step Solution

1. Step 1: Write the proportion equation
   107,870.56 : 148,522.60 = 91,706.06 : x
2. Step 2: Convert to fraction form
   107,870.56/148,522.60 = 91,706.06/x
3. Step 3: Cross multiply
   107,870.56x = 148,522.60 × 91,706.06
4. Step 4: Simplify right side
   107,870.56x = 13,620,422,466.96
5. Step 5: Solve for x
   x = 13,620,422,466.96/107,870.56
6. Step 6: Final answer
   x = 126,266.36