Finding the Fourth Proportional to 172,148.48, 237,528.05 and 100,495.98

Step by Step Solution

1. Step 1: Write the proportion equation
   172,148.48 : 237,528.05 = 100,495.98 : x
2. Step 2: Convert to fraction form
   172,148.48/237,528.05 = 100,495.98/x
3. Step 3: Cross multiply
   172,148.48x = 237,528.05 × 100,495.98
4. Step 4: Simplify right side
   172,148.48x = 23,870,613,659.76
5. Step 5: Solve for x
   x = 23,870,613,659.76/172,148.48
6. Step 6: Final answer
   x = 138,662.94