Finding the Fourth Proportional to 142,555.28, 213,830.68 and 49,061.84

Step by Step Solution

1. Step 1: Write the proportion equation
   142,555.28 : 213,830.68 = 49,061.84 : x
2. Step 2: Convert to fraction form
   142,555.28/213,830.68 = 49,061.84/x
3. Step 3: Cross multiply
   142,555.28x = 213,830.68 × 49,061.84
4. Step 4: Simplify right side
   142,555.28x = 10,490,926,609.25
5. Step 5: Solve for x
   x = 10,490,926,609.25/142,555.28
6. Step 6: Final answer
   x = 73,591.99