Finding the Fourth Proportional to 214,498.16, 296,015.37 and 129,598.82

Step by Step Solution

1. Step 1: Write the proportion equation
   214,498.16 : 296,015.37 = 129,598.82 : x
2. Step 2: Convert to fraction form
   214,498.16/296,015.37 = 129,598.82/x
3. Step 3: Cross multiply
   214,498.16x = 296,015.37 × 129,598.82
4. Step 4: Simplify right side
   214,498.16x = 38,363,242,653.86
5. Step 5: Solve for x
   x = 38,363,242,653.86/214,498.16
6. Step 6: Final answer
   x = 178,851.15