Finding the Fourth Proportional to 162,859.08, 224,745.59 and 99,196.93

Step by Step Solution

1. Step 1: Write the proportion equation
   162,859.08 : 224,745.59 = 99,196.93 : x
2. Step 2: Convert to fraction form
   162,859.08/224,745.59 = 99,196.93/x
3. Step 3: Cross multiply
   162,859.08x = 224,745.59 × 99,196.93
4. Step 4: Simplify right side
   162,859.08x = 22,294,072,559.04
5. Step 5: Solve for x
   x = 22,294,072,559.04/162,859.08
6. Step 6: Final answer
   x = 136,891.80