Finding the Fourth Proportional to 35,820.78, 49,432.32 and 19,904.90

Step by Step Solution

1. Step 1: Write the proportion equation
   35,820.78 : 49,432.32 = 19,904.90 : x
2. Step 2: Convert to fraction form
   35,820.78/49,432.32 = 19,904.90/x
3. Step 3: Cross multiply
   35,820.78x = 49,432.32 × 19,904.90
4. Step 4: Simplify right side
   35,820.78x = 983,945,139.21
5. Step 5: Solve for x
   x = 983,945,139.21/35,820.78
6. Step 6: Final answer
   x = 27,468.56