Finding the Fourth Proportional to 73,976.37, 110,965.37 and 21,386.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,976.37 : 110,965.37 = 21,386.31 : x
2. Step 2: Convert to fraction form
   73,976.37/110,965.37 = 21,386.31/x
3. Step 3: Cross multiply
   73,976.37x = 110,965.37 × 21,386.31
4. Step 4: Simplify right side
   73,976.37x = 2,373,139,802.08
5. Step 5: Solve for x
   x = 2,373,139,802.08/73,976.37
6. Step 6: Final answer
   x = 32,079.70