Finding the Fourth Proportional to 122,443.47, 168,973.83 and 74,038.59

Step by Step Solution

1. Step 1: Write the proportion equation
   122,443.47 : 168,973.83 = 74,038.59 : x
2. Step 2: Convert to fraction form
   122,443.47/168,973.83 = 74,038.59/x
3. Step 3: Cross multiply
   122,443.47x = 168,973.83 × 74,038.59
4. Step 4: Simplify right side
   122,443.47x = 12,510,584,120.10
5. Step 5: Solve for x
   x = 12,510,584,120.10/122,443.47
6. Step 6: Final answer
   x = 102,174.37