Finding the Fourth Proportional to 102,917.39, 154,343.27 and 32,780.30

Step by Step Solution

1. Step 1: Write the proportion equation
   102,917.39 : 154,343.27 = 32,780.30 : x
2. Step 2: Convert to fraction form
   102,917.39/154,343.27 = 32,780.30/x
3. Step 3: Cross multiply
   102,917.39x = 154,343.27 × 32,780.30
4. Step 4: Simplify right side
   102,917.39x = 5,059,418,003.82
5. Step 5: Solve for x
   x = 5,059,418,003.82/102,917.39
6. Step 6: Final answer
   x = 49,159.99