Finding the Fourth Proportional to 52,598.72, 78,859.20 and 19,301.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,598.72 : 78,859.20 = 19,301.24 : x
2. Step 2: Convert to fraction form
   52,598.72/78,859.20 = 19,301.24/x
3. Step 3: Cross multiply
   52,598.72x = 78,859.20 × 19,301.24
4. Step 4: Simplify right side
   52,598.72x = 1,522,080,345.41
5. Step 5: Solve for x
   x = 1,522,080,345.41/52,598.72
6. Step 6: Final answer
   x = 28,937.59