Finding the Fourth Proportional to 33,858.78, 46,709.60 and 21,925.96

Step by Step Solution

1. Step 1: Write the proportion equation
   33,858.78 : 46,709.60 = 21,925.96 : x
2. Step 2: Convert to fraction form
   33,858.78/46,709.60 = 21,925.96/x
3. Step 3: Cross multiply
   33,858.78x = 46,709.60 × 21,925.96
4. Step 4: Simplify right side
   33,858.78x = 1,024,152,876.03
5. Step 5: Solve for x
   x = 1,024,152,876.03/33,858.78
6. Step 6: Final answer
   x = 30,247.78