Finding the Fourth Proportional to 171,477.72, 236,641.63 and 98,879.34

Step by Step Solution

1. Step 1: Write the proportion equation
   171,477.72 : 236,641.63 = 98,879.34 : x
2. Step 2: Convert to fraction form
   171,477.72/236,641.63 = 98,879.34/x
3. Step 3: Cross multiply
   171,477.72x = 236,641.63 × 98,879.34
4. Step 4: Simplify right side
   171,477.72x = 23,398,967,696.53
5. Step 5: Solve for x
   x = 23,398,967,696.53/171,477.72
6. Step 6: Final answer
   x = 136,454.86