Finding the Fourth Proportional to 72,799.22, 109,155.76 and 28,374.14

Step by Step Solution

1. Step 1: Write the proportion equation
   72,799.22 : 109,155.76 = 28,374.14 : x
2. Step 2: Convert to fraction form
   72,799.22/109,155.76 = 28,374.14/x
3. Step 3: Cross multiply
   72,799.22x = 109,155.76 × 28,374.14
4. Step 4: Simplify right side
   72,799.22x = 3,097,201,018.00
5. Step 5: Solve for x
   x = 3,097,201,018.00/72,799.22
6. Step 6: Final answer
   x = 42,544.42