Finding the Fourth Proportional to 99,096.05, 148,666.79 and 42,945.59

Step by Step Solution

1. Step 1: Write the proportion equation
   99,096.05 : 148,666.79 = 42,945.59 : x
2. Step 2: Convert to fraction form
   99,096.05/148,666.79 = 42,945.59/x
3. Step 3: Cross multiply
   99,096.05x = 148,666.79 × 42,945.59
4. Step 4: Simplify right side
   99,096.05x = 6,384,583,166.90
5. Step 5: Solve for x
   x = 6,384,583,166.90/99,096.05
6. Step 6: Final answer
   x = 64,428.23