Finding the Fourth Proportional to 58,719.72, 88,076.52 and 19,271.64

Step by Step Solution

1. Step 1: Write the proportion equation
   58,719.72 : 88,076.52 = 19,271.64 : x
2. Step 2: Convert to fraction form
   58,719.72/88,076.52 = 19,271.64/x
3. Step 3: Cross multiply
   58,719.72x = 88,076.52 × 19,271.64
4. Step 4: Simplify right side
   58,719.72x = 1,697,378,985.89
5. Step 5: Solve for x
   x = 1,697,378,985.89/58,719.72
6. Step 6: Final answer
   x = 28,906.46