Finding the Fourth Proportional to 35,300.30, 48,732.99 and 21,865.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,300.30 : 48,732.99 = 21,865.10 : x
2. Step 2: Convert to fraction form
   35,300.30/48,732.99 = 21,865.10/x
3. Step 3: Cross multiply
   35,300.30x = 48,732.99 × 21,865.10
4. Step 4: Simplify right side
   35,300.30x = 1,065,551,699.65
5. Step 5: Solve for x
   x = 1,065,551,699.65/35,300.30
6. Step 6: Final answer
   x = 30,185.34