Finding the Fourth Proportional to 215,042.10, 322,361.68 and 72,787.82

Step by Step Solution

1. Step 1: Write the proportion equation
   215,042.10 : 322,361.68 = 72,787.82 : x
2. Step 2: Convert to fraction form
   215,042.10/322,361.68 = 72,787.82/x
3. Step 3: Cross multiply
   215,042.10x = 322,361.68 × 72,787.82
4. Step 4: Simplify right side
   215,042.10x = 23,464,004,094.72
5. Step 5: Solve for x
   x = 23,464,004,094.72/215,042.10
6. Step 6: Final answer
   x = 109,113.54