Finding the Fourth Proportional to 35,475.37, 48,952.55 and 21,861.29

Step by Step Solution

1. Step 1: Write the proportion equation
   35,475.37 : 48,952.55 = 21,861.29 : x
2. Step 2: Convert to fraction form
   35,475.37/48,952.55 = 21,861.29/x
3. Step 3: Cross multiply
   35,475.37x = 48,952.55 × 21,861.29
4. Step 4: Simplify right side
   35,475.37x = 1,070,166,068.82
5. Step 5: Solve for x
   x = 1,070,166,068.82/35,475.37
6. Step 6: Final answer
   x = 30,166.45