Finding the Fourth Proportional to 146,522.82, 202,191.84 and 81,981.12

Step by Step Solution

1. Step 1: Write the proportion equation
   146,522.82 : 202,191.84 = 81,981.12 : x
2. Step 2: Convert to fraction form
   146,522.82/202,191.84 = 81,981.12/x
3. Step 3: Cross multiply
   146,522.82x = 202,191.84 × 81,981.12
4. Step 4: Simplify right side
   146,522.82x = 16,575,913,498.06
5. Step 5: Solve for x
   x = 16,575,913,498.06/146,522.82
6. Step 6: Final answer
   x = 113,128.55