Finding the Fourth Proportional to 108,030.88, 149,072.89 and 67,731.76

Step by Step Solution

1. Step 1: Write the proportion equation
   108,030.88 : 149,072.89 = 67,731.76 : x
2. Step 2: Convert to fraction form
   108,030.88/149,072.89 = 67,731.76/x
3. Step 3: Cross multiply
   108,030.88x = 149,072.89 × 67,731.76
4. Step 4: Simplify right side
   108,030.88x = 10,096,968,123.96
5. Step 5: Solve for x
   x = 10,096,968,123.96/108,030.88
6. Step 6: Final answer
   x = 93,463.73