Finding the Fourth Proportional to 72,784.04, 109,174.83 and 32,780.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,784.04 : 109,174.83 = 32,780.76 : x
2. Step 2: Convert to fraction form
   72,784.04/109,174.83 = 32,780.76/x
3. Step 3: Cross multiply
   72,784.04x = 109,174.83 × 32,780.76
4. Step 4: Simplify right side
   72,784.04x = 3,578,833,900.27
5. Step 5: Solve for x
   x = 3,578,833,900.27/72,784.04
6. Step 6: Final answer
   x = 49,170.59