Finding the Fourth Proportional to 102,900.90, 154,362.42 and 32,763.81

Step by Step Solution

1. Step 1: Write the proportion equation
   102,900.90 : 154,362.42 = 32,763.81 : x
2. Step 2: Convert to fraction form
   102,900.90/154,362.42 = 32,763.81/x
3. Step 3: Cross multiply
   102,900.90x = 154,362.42 × 32,763.81
4. Step 4: Simplify right side
   102,900.90x = 5,057,501,000.02
5. Step 5: Solve for x
   x = 5,057,501,000.02/102,900.90
6. Step 6: Final answer
   x = 49,149.24