Finding the Fourth Proportional to 64,100.27, 96,159.51 and 19,730.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,100.27 : 96,159.51 = 19,730.72 : x
2. Step 2: Convert to fraction form
   64,100.27/96,159.51 = 19,730.72/x
3. Step 3: Cross multiply
   64,100.27x = 96,159.51 × 19,730.72
4. Step 4: Simplify right side
   64,100.27x = 1,897,296,367.15
5. Step 5: Solve for x
   x = 1,897,296,367.15/64,100.27
6. Step 6: Final answer
   x = 29,598.88