Finding the Fourth Proportional to 102,918.90, 154,389.69 and 32,782.08

Step by Step Solution

1. Step 1: Write the proportion equation
   102,918.90 : 154,389.69 = 32,782.08 : x
2. Step 2: Convert to fraction form
   102,918.90/154,389.69 = 32,782.08/x
3. Step 3: Cross multiply
   102,918.90x = 154,389.69 × 32,782.08
4. Step 4: Simplify right side
   102,918.90x = 5,061,215,168.76
5. Step 5: Solve for x
   x = 5,061,215,168.76/102,918.90
6. Step 6: Final answer
   x = 49,176.73