Finding the Fourth Proportional to 67,796.19, 101,693.98 and 28,331.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,796.19 : 101,693.98 = 28,331.78 : x
2. Step 2: Convert to fraction form
   67,796.19/101,693.98 = 28,331.78/x
3. Step 3: Cross multiply
   67,796.19x = 101,693.98 × 28,331.78
4. Step 4: Simplify right side
   67,796.19x = 2,881,170,995.63
5. Step 5: Solve for x
   x = 2,881,170,995.63/67,796.19
6. Step 6: Final answer
   x = 42,497.54