Finding the Fourth Proportional to 116,253.43, 160,424.26 and 64,573.88

Step by Step Solution

1. Step 1: Write the proportion equation
   116,253.43 : 160,424.26 = 64,573.88 : x
2. Step 2: Convert to fraction form
   116,253.43/160,424.26 = 64,573.88/x
3. Step 3: Cross multiply
   116,253.43x = 160,424.26 × 64,573.88
4. Step 4: Simplify right side
   116,253.43x = 10,359,215,950.77
5. Step 5: Solve for x
   x = 10,359,215,950.77/116,253.43
6. Step 6: Final answer
   x = 89,108.91