Finding the Fourth Proportional to 35,820.71, 49,430.30 and 19,904.21

Step by Step Solution

1. Step 1: Write the proportion equation
   35,820.71 : 49,430.30 = 19,904.21 : x
2. Step 2: Convert to fraction form
   35,820.71/49,430.30 = 19,904.21/x
3. Step 3: Cross multiply
   35,820.71x = 49,430.30 × 19,904.21
4. Step 4: Simplify right side
   35,820.71x = 983,870,824.41
5. Step 5: Solve for x
   x = 983,870,824.41/35,820.71
6. Step 6: Final answer
   x = 27,466.54