Finding the Fourth Proportional to 72,983.84, 100,712.32 and 42,767.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,983.84 : 100,712.32 = 42,767.36 : x
2. Step 2: Convert to fraction form
   72,983.84/100,712.32 = 42,767.36/x
3. Step 3: Cross multiply
   72,983.84x = 100,712.32 × 42,767.36
4. Step 4: Simplify right side
   72,983.84x = 4,307,200,045.88
5. Step 5: Solve for x
   x = 4,307,200,045.88/72,983.84
6. Step 6: Final answer
   x = 59,015.80