Finding the Fourth Proportional to 137,096.52, 189,191.88 and 76,666.47

Step by Step Solution

1. Step 1: Write the proportion equation
   137,096.52 : 189,191.88 = 76,666.47 : x
2. Step 2: Convert to fraction form
   137,096.52/189,191.88 = 76,666.47/x
3. Step 3: Cross multiply
   137,096.52x = 189,191.88 × 76,666.47
4. Step 4: Simplify right side
   137,096.52x = 14,504,673,592.26
5. Step 5: Solve for x
   x = 14,504,673,592.26/137,096.52
6. Step 6: Final answer
   x = 105,798.99