Finding the Fourth Proportional to 32,492.48, 48,738.47 and 13,258.16

Step by Step Solution

1. Step 1: Write the proportion equation
   32,492.48 : 48,738.47 = 13,258.16 : x
2. Step 2: Convert to fraction form
   32,492.48/48,738.47 = 13,258.16/x
3. Step 3: Cross multiply
   32,492.48x = 48,738.47 × 13,258.16
4. Step 4: Simplify right side
   32,492.48x = 646,182,189.72
5. Step 5: Solve for x
   x = 646,182,189.72/32,492.48
6. Step 6: Final answer
   x = 19,887.13