Finding the Fourth Proportional to 130,066.34, 179,487.77 and 72,705.75

Step by Step Solution

1. Step 1: Write the proportion equation
   130,066.34 : 179,487.77 = 72,705.75 : x
2. Step 2: Convert to fraction form
   130,066.34/179,487.77 = 72,705.75/x
3. Step 3: Cross multiply
   130,066.34x = 179,487.77 × 72,705.75
4. Step 4: Simplify right side
   130,066.34x = 13,049,792,570.15
5. Step 5: Solve for x
   x = 13,049,792,570.15/130,066.34
6. Step 6: Final answer
   x = 100,331.82