Finding the Fourth Proportional to 137,069.84, 189,100.86 and 91,151.48

Step by Step Solution

1. Step 1: Write the proportion equation
   137,069.84 : 189,100.86 = 91,151.48 : x
2. Step 2: Convert to fraction form
   137,069.84/189,100.86 = 91,151.48/x
3. Step 3: Cross multiply
   137,069.84x = 189,100.86 × 91,151.48
4. Step 4: Simplify right side
   137,069.84x = 17,236,823,258.27
5. Step 5: Solve for x
   x = 17,236,823,258.27/137,069.84
6. Step 6: Final answer
   x = 125,752.12