Finding the Fourth Proportional to 213,056.73, 294,019.67 and 116,267.40

Step by Step Solution

1. Step 1: Write the proportion equation
   213,056.73 : 294,019.67 = 116,267.40 : x
2. Step 2: Convert to fraction form
   213,056.73/294,019.67 = 116,267.40/x
3. Step 3: Cross multiply
   213,056.73x = 294,019.67 × 116,267.40
4. Step 4: Simplify right side
   213,056.73x = 34,184,902,870.43
5. Step 5: Solve for x
   x = 34,184,902,870.43/213,056.73
6. Step 6: Final answer
   x = 160,449.77