Finding the Fourth Proportional to 35,869.68, 49,505.42 and 21,530.52

Step by Step Solution

1. Step 1: Write the proportion equation
   35,869.68 : 49,505.42 = 21,530.52 : x
2. Step 2: Convert to fraction form
   35,869.68/49,505.42 = 21,530.52/x
3. Step 3: Cross multiply
   35,869.68x = 49,505.42 × 21,530.52
4. Step 4: Simplify right side
   35,869.68x = 1,065,877,435.42
5. Step 5: Solve for x
   x = 1,065,877,435.42/35,869.68
6. Step 6: Final answer
   x = 29,715.28