Finding the Fourth Proportional to 35,003.62, 48,296.37 and 21,388.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,003.62 : 48,296.37 = 21,388.18 : x
2. Step 2: Convert to fraction form
   35,003.62/48,296.37 = 21,388.18/x
3. Step 3: Cross multiply
   35,003.62x = 48,296.37 × 21,388.18
4. Step 4: Simplify right side
   35,003.62x = 1,032,971,454.91
5. Step 5: Solve for x
   x = 1,032,971,454.91/35,003.62
6. Step 6: Final answer
   x = 29,510.42