Finding the Fourth Proportional to 109,615.42, 151,282.05 and 91,185.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,615.42 : 151,282.05 = 91,185.98 : x
2. Step 2: Convert to fraction form
   109,615.42/151,282.05 = 91,185.98/x
3. Step 3: Cross multiply
   109,615.42x = 151,282.05 × 91,185.98
4. Step 4: Simplify right side
   109,615.42x = 13,794,800,887.30
5. Step 5: Solve for x
   x = 13,794,800,887.30/109,615.42
6. Step 6: Final answer
   x = 125,847.26