Finding the Fourth Proportional to 35,492.31, 48,978.63 and 19,578.24

Step by Step Solution

1. Step 1: Write the proportion equation
   35,492.31 : 48,978.63 = 19,578.24 : x
2. Step 2: Convert to fraction form
   35,492.31/48,978.63 = 19,578.24/x
3. Step 3: Cross multiply
   35,492.31x = 48,978.63 × 19,578.24
4. Step 4: Simplify right side
   35,492.31x = 958,915,373.01
5. Step 5: Solve for x
   x = 958,915,373.01/35,492.31
6. Step 6: Final answer
   x = 27,017.55