Finding the Fourth Proportional to 137,095.77, 189,190.86 and 76,665.72

Step by Step Solution

1. Step 1: Write the proportion equation
   137,095.77 : 189,190.86 = 76,665.72 : x
2. Step 2: Convert to fraction form
   137,095.77/189,190.86 = 76,665.72/x
3. Step 3: Cross multiply
   137,095.77x = 189,190.86 × 76,665.72
4. Step 4: Simplify right side
   137,095.77x = 14,504,453,499.32
5. Step 5: Solve for x
   x = 14,504,453,499.32/137,095.77
6. Step 6: Final answer
   x = 105,797.97