Finding the Fourth Proportional to 221,077.54, 304,870.27 and 140,364.94

Step by Step Solution

1. Step 1: Write the proportion equation
   221,077.54 : 304,870.27 = 140,364.94 : x
2. Step 2: Convert to fraction form
   221,077.54/304,870.27 = 140,364.94/x
3. Step 3: Cross multiply
   221,077.54x = 304,870.27 × 140,364.94
4. Step 4: Simplify right side
   221,077.54x = 42,793,096,454.51
5. Step 5: Solve for x
   x = 42,793,096,454.51/221,077.54
6. Step 6: Final answer
   x = 193,566.01