Finding the Fourth Proportional to 162,762.05, 224,614.59 and 91,143.29

Step by Step Solution

1. Step 1: Write the proportion equation
   162,762.05 : 224,614.59 = 91,143.29 : x
2. Step 2: Convert to fraction form
   162,762.05/224,614.59 = 91,143.29/x
3. Step 3: Cross multiply
   162,762.05x = 224,614.59 × 91,143.29
4. Step 4: Simplify right side
   162,762.05x = 20,472,112,714.60
5. Step 5: Solve for x
   x = 20,472,112,714.60/162,762.05
6. Step 6: Final answer
   x = 125,779.40