Finding the Fourth Proportional to 137,179.58, 189,300.18 and 76,738.54

Step by Step Solution

1. Step 1: Write the proportion equation
   137,179.58 : 189,300.18 = 76,738.54 : x
2. Step 2: Convert to fraction form
   137,179.58/189,300.18 = 76,738.54/x
3. Step 3: Cross multiply
   137,179.58x = 189,300.18 × 76,738.54
4. Step 4: Simplify right side
   137,179.58x = 14,526,619,434.94
5. Step 5: Solve for x
   x = 14,526,619,434.94/137,179.58
6. Step 6: Final answer
   x = 105,894.91