Finding the Fourth Proportional to 19,898.72, 29,840.88 and 5,854.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,898.72 : 29,840.88 = 5,854.56 : x
2. Step 2: Convert to fraction form
   19,898.72/29,840.88 = 5,854.56/x
3. Step 3: Cross multiply
   19,898.72x = 29,840.88 × 5,854.56
4. Step 4: Simplify right side
   19,898.72x = 174,705,222.41
5. Step 5: Solve for x
   x = 174,705,222.41/19,898.72
6. Step 6: Final answer
   x = 8,779.72