Finding the Fourth Proportional to 423,667.12, 635,500.12 and 108,124.02

Step by Step Solution

1. Step 1: Write the proportion equation
   423,667.12 : 635,500.12 = 108,124.02 : x
2. Step 2: Convert to fraction form
   423,667.12/635,500.12 = 108,124.02/x
3. Step 3: Cross multiply
   423,667.12x = 635,500.12 × 108,124.02
4. Step 4: Simplify right side
   423,667.12x = 68,712,827,684.88
5. Step 5: Solve for x
   x = 68,712,827,684.88/423,667.12
6. Step 6: Final answer
   x = 162,185.89