Finding the Fourth Proportional to 126,405.50, 189,635.58 and 37,666.15

Step by Step Solution

1. Step 1: Write the proportion equation
   126,405.50 : 189,635.58 = 37,666.15 : x
2. Step 2: Convert to fraction form
   126,405.50/189,635.58 = 37,666.15/x
3. Step 3: Cross multiply
   126,405.50x = 189,635.58 × 37,666.15
4. Step 4: Simplify right side
   126,405.50x = 7,142,841,727.53
5. Step 5: Solve for x
   x = 7,142,841,727.53/126,405.50
6. Step 6: Final answer
   x = 56,507.37