Finding the Fourth Proportional to 21,407.02, 32,068.98 and 15,774.47

Step by Step Solution

1. Step 1: Write the proportion equation
   21,407.02 : 32,068.98 = 15,774.47 : x
2. Step 2: Convert to fraction form
   21,407.02/32,068.98 = 15,774.47/x
3. Step 3: Cross multiply
   21,407.02x = 32,068.98 × 15,774.47
4. Step 4: Simplify right side
   21,407.02x = 505,871,002.60
5. Step 5: Solve for x
   x = 505,871,002.60/21,407.02
6. Step 6: Final answer
   x = 23,631.09