Finding the Fourth Proportional to 118,045.34, 162,900.42 and 64,330.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,045.34 : 162,900.42 = 64,330.82 : x
2. Step 2: Convert to fraction form
   118,045.34/162,900.42 = 64,330.82/x
3. Step 3: Cross multiply
   118,045.34x = 162,900.42 × 64,330.82
4. Step 4: Simplify right side
   118,045.34x = 10,479,517,596.94
5. Step 5: Solve for x
   x = 10,479,517,596.94/118,045.34
6. Step 6: Final answer
   x = 88,775.36