Finding the Fourth Proportional to 276,061.01, 414,312.94 and 142,979.33

Step by Step Solution

1. Step 1: Write the proportion equation
   276,061.01 : 414,312.94 = 142,979.33 : x
2. Step 2: Convert to fraction form
   276,061.01/414,312.94 = 142,979.33/x
3. Step 3: Cross multiply
   276,061.01x = 414,312.94 × 142,979.33
4. Step 4: Simplify right side
   276,061.01x = 59,238,185,455.53
5. Step 5: Solve for x
   x = 59,238,185,455.53/276,061.01
6. Step 6: Final answer
   x = 214,583.67