Finding the Fourth Proportional to 34,521.60, 47,641.56 and 19,416.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,521.60 : 47,641.56 = 19,416.72 : x
2. Step 2: Convert to fraction form
   34,521.60/47,641.56 = 19,416.72/x
3. Step 3: Cross multiply
   34,521.60x = 47,641.56 × 19,416.72
4. Step 4: Simplify right side
   34,521.60x = 925,042,830.88
5. Step 5: Solve for x
   x = 925,042,830.88/34,521.60
6. Step 6: Final answer
   x = 26,796.06