Finding the Fourth Proportional to 72,756.02, 109,134.30 and 22,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,756.02 : 109,134.30 = 22,155.50 : x
2. Step 2: Convert to fraction form
   72,756.02/109,134.30 = 22,155.50/x
3. Step 3: Cross multiply
   72,756.02x = 109,134.30 × 22,155.50
4. Step 4: Simplify right side
   72,756.02x = 2,417,924,983.65
5. Step 5: Solve for x
   x = 2,417,924,983.65/72,756.02
6. Step 6: Final answer
   x = 33,233.33