Finding the Fourth Proportional to 92,231.37, 138,300.51 and 42,269.34

Step by Step Solution

1. Step 1: Write the proportion equation
   92,231.37 : 138,300.51 = 42,269.34 : x
2. Step 2: Convert to fraction form
   92,231.37/138,300.51 = 42,269.34/x
3. Step 3: Cross multiply
   92,231.37x = 138,300.51 × 42,269.34
4. Step 4: Simplify right side
   92,231.37x = 5,845,871,279.36
5. Step 5: Solve for x
   x = 5,845,871,279.36/92,231.37
6. Step 6: Final answer
   x = 63,382.68