Finding the Fourth Proportional to 137,174.58, 189,308.28 and 76,741.62

Step by Step Solution

1. Step 1: Write the proportion equation
   137,174.58 : 189,308.28 = 76,741.62 : x
2. Step 2: Convert to fraction form
   137,174.58/189,308.28 = 76,741.62/x
3. Step 3: Cross multiply
   137,174.58x = 189,308.28 × 76,741.62
4. Step 4: Simplify right side
   137,174.58x = 14,527,824,086.61
5. Step 5: Solve for x
   x = 14,527,824,086.61/137,174.58
6. Step 6: Final answer
   x = 105,907.55