Finding the Fourth Proportional to 46,181.60, 69,222.72 and 19,898.72

Step by Step Solution

1. Step 1: Write the proportion equation
   46,181.60 : 69,222.72 = 19,898.72 : x
2. Step 2: Convert to fraction form
   46,181.60/69,222.72 = 19,898.72/x
3. Step 3: Cross multiply
   46,181.60x = 69,222.72 × 19,898.72
4. Step 4: Simplify right side
   46,181.60x = 1,377,443,522.92
5. Step 5: Solve for x
   x = 1,377,443,522.92/46,181.60
6. Step 6: Final answer
   x = 29,826.67