Finding the Fourth Proportional to 142,812.59, 214,219.69 and 42,973.61

Step by Step Solution

1. Step 1: Write the proportion equation
   142,812.59 : 214,219.69 = 42,973.61 : x
2. Step 2: Convert to fraction form
   142,812.59/214,219.69 = 42,973.61/x
3. Step 3: Cross multiply
   142,812.59x = 214,219.69 × 42,973.61
4. Step 4: Simplify right side
   142,812.59x = 9,205,792,233.85
5. Step 5: Solve for x
   x = 9,205,792,233.85/142,812.59
6. Step 6: Final answer
   x = 64,460.65