Finding the Fourth Proportional to 118,063.70, 162,866.52 and 74,969.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,063.70 : 162,866.52 = 74,969.46 : x
2. Step 2: Convert to fraction form
   118,063.70/162,866.52 = 74,969.46/x
3. Step 3: Cross multiply
   118,063.70x = 162,866.52 × 74,969.46
4. Step 4: Simplify right side
   118,063.70x = 12,210,014,054.72
5. Step 5: Solve for x
   x = 12,210,014,054.72/118,063.70
6. Step 6: Final answer
   x = 103,418.87