Finding the Fourth Proportional to 23,298.95, 34,779.50 and 21,564.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,298.95 : 34,779.50 = 21,564.54 : x
2. Step 2: Convert to fraction form
   23,298.95/34,779.50 = 21,564.54/x
3. Step 3: Cross multiply
   23,298.95x = 34,779.50 × 21,564.54
4. Step 4: Simplify right side
   23,298.95x = 750,003,811.11
5. Step 5: Solve for x
   x = 750,003,811.11/23,298.95
6. Step 6: Final answer
   x = 32,190.46