Finding the Fourth Proportional to 109,548.33, 151,039.71 and 91,425.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,548.33 : 151,039.71 = 91,425.12 : x
2. Step 2: Convert to fraction form
   109,548.33/151,039.71 = 91,425.12/x
3. Step 3: Cross multiply
   109,548.33x = 151,039.71 × 91,425.12
4. Step 4: Simplify right side
   109,548.33x = 13,808,823,611.52
5. Step 5: Solve for x
   x = 13,808,823,611.52/109,548.33
6. Step 6: Final answer
   x = 126,052.34