Finding the Fourth Proportional to 130,514.06, 180,066.56 and 73,145

Step by Step Solution

1. Step 1: Write the proportion equation
   130,514.06 : 180,066.56 = 73,145 : x
2. Step 2: Convert to fraction form
   130,514.06/180,066.56 = 73,145/x
3. Step 3: Cross multiply
   130,514.06x = 180,066.56 × 73,145
4. Step 4: Simplify right side
   130,514.06x = 13,170,968,531.20
5. Step 5: Solve for x
   x = 13,170,968,531.20/130,514.06
6. Step 6: Final answer
   x = 100,916.09