Finding the Fourth Proportional to 133,061.10, 199,300.05 and 70,658.70

Step by Step Solution

1. Step 1: Write the proportion equation
   133,061.10 : 199,300.05 = 70,658.70 : x
2. Step 2: Convert to fraction form
   133,061.10/199,300.05 = 70,658.70/x
3. Step 3: Cross multiply
   133,061.10x = 199,300.05 × 70,658.70
4. Step 4: Simplify right side
   133,061.10x = 14,082,282,442.94
5. Step 5: Solve for x
   x = 14,082,282,442.94/133,061.10
6. Step 6: Final answer
   x = 105,833.20