Finding the Fourth Proportional to 215,915.47, 323,864.02 and 73,773.49

Step by Step Solution

1. Step 1: Write the proportion equation
   215,915.47 : 323,864.02 = 73,773.49 : x
2. Step 2: Convert to fraction form
   215,915.47/323,864.02 = 73,773.49/x
3. Step 3: Cross multiply
   215,915.47x = 323,864.02 × 73,773.49
4. Step 4: Simplify right side
   215,915.47x = 23,892,579,040.83
5. Step 5: Solve for x
   x = 23,892,579,040.83/215,915.47
6. Step 6: Final answer
   x = 110,657.10