Finding the Fourth Proportional to 23,501.98, 32,432.43 and 13,430.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,501.98 : 32,432.43 = 13,430.31 : x
2. Step 2: Convert to fraction form
   23,501.98/32,432.43 = 13,430.31/x
3. Step 3: Cross multiply
   23,501.98x = 32,432.43 × 13,430.31
4. Step 4: Simplify right side
   23,501.98x = 435,577,588.95
5. Step 5: Solve for x
   x = 435,577,588.95/23,501.98
6. Step 6: Final answer
   x = 18,533.65