Finding the Fourth Proportional to 137,595.96, 189,922.74 and 89,856.72

Step by Step Solution

1. Step 1: Write the proportion equation
   137,595.96 : 189,922.74 = 89,856.72 : x
2. Step 2: Convert to fraction form
   137,595.96/189,922.74 = 89,856.72/x
3. Step 3: Cross multiply
   137,595.96x = 189,922.74 × 89,856.72
4. Step 4: Simplify right side
   137,595.96x = 17,065,834,469.81
5. Step 5: Solve for x
   x = 17,065,834,469.81/137,595.96
6. Step 6: Final answer
   x = 124,028.60