Finding the Fourth Proportional to 34,805.06, 48,012.84 and 21,379.34

Step by Step Solution

1. Step 1: Write the proportion equation
   34,805.06 : 48,012.84 = 21,379.34 : x
2. Step 2: Convert to fraction form
   34,805.06/48,012.84 = 21,379.34/x
3. Step 3: Cross multiply
   34,805.06x = 48,012.84 × 21,379.34
4. Step 4: Simplify right side
   34,805.06x = 1,026,482,830.73
5. Step 5: Solve for x
   x = 1,026,482,830.73/34,805.06
6. Step 6: Final answer
   x = 29,492.34