Finding the Fourth Proportional to 92,870.76, 139,327.80 and 73,967

Step by Step Solution

1. Step 1: Write the proportion equation
   92,870.76 : 139,327.80 = 73,967 : x
2. Step 2: Convert to fraction form
   92,870.76/139,327.80 = 73,967/x
3. Step 3: Cross multiply
   92,870.76x = 139,327.80 × 73,967
4. Step 4: Simplify right side
   92,870.76x = 10,305,659,382.60
5. Step 5: Solve for x
   x = 10,305,659,382.60/92,870.76
6. Step 6: Final answer
   x = 110,967.75