Finding the Fourth Proportional to 35,820.20, 49,429.61 and 19,903.70

Step by Step Solution

1. Step 1: Write the proportion equation
   35,820.20 : 49,429.61 = 19,903.70 : x
2. Step 2: Convert to fraction form
   35,820.20/49,429.61 = 19,903.70/x
3. Step 3: Cross multiply
   35,820.20x = 49,429.61 × 19,903.70
4. Step 4: Simplify right side
   35,820.20x = 983,832,301.89
5. Step 5: Solve for x
   x = 983,832,301.89/35,820.20
6. Step 6: Final answer
   x = 27,465.85