Finding the Fourth Proportional to 142,685.00, 214,060.29 and 42,847.08

Step by Step Solution

1. Step 1: Write the proportion equation
   142,685.00 : 214,060.29 = 42,847.08 : x
2. Step 2: Convert to fraction form
   142,685.00/214,060.29 = 42,847.08/x
3. Step 3: Cross multiply
   142,685.00x = 214,060.29 × 42,847.08
4. Step 4: Simplify right side
   142,685.00x = 9,171,858,370.45
5. Step 5: Solve for x
   x = 9,171,858,370.45/142,685.00
6. Step 6: Final answer
   x = 64,280.47