Finding the Fourth Proportional to 96,300.47, 132,889.87 and 53,278.31

Step by Step Solution

1. Step 1: Write the proportion equation
   96,300.47 : 132,889.87 = 53,278.31 : x
2. Step 2: Convert to fraction form
   96,300.47/132,889.87 = 53,278.31/x
3. Step 3: Cross multiply
   96,300.47x = 132,889.87 × 53,278.31
4. Step 4: Simplify right side
   96,300.47x = 7,080,147,689.72
5. Step 5: Solve for x
   x = 7,080,147,689.72/96,300.47
6. Step 6: Final answer
   x = 73,521.42