Finding the Fourth Proportional to 23,453.79, 32,359.82 and 15,075.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,453.79 : 32,359.82 = 15,075.15 : x
2. Step 2: Convert to fraction form
   23,453.79/32,359.82 = 15,075.15/x
3. Step 3: Cross multiply
   23,453.79x = 32,359.82 × 15,075.15
4. Step 4: Simplify right side
   23,453.79x = 487,829,065.10
5. Step 5: Solve for x
   x = 487,829,065.10/23,453.79
6. Step 6: Final answer
   x = 20,799.58