Finding the Fourth Proportional to 82,690.47, 123,994.80 and 35,298.18

Step by Step Solution

1. Step 1: Write the proportion equation
   82,690.47 : 123,994.80 = 35,298.18 : x
2. Step 2: Convert to fraction form
   82,690.47/123,994.80 = 35,298.18/x
3. Step 3: Cross multiply
   82,690.47x = 123,994.80 × 35,298.18
4. Step 4: Simplify right side
   82,690.47x = 4,376,790,769.46
5. Step 5: Solve for x
   x = 4,376,790,769.46/82,690.47
6. Step 6: Final answer
   x = 52,929.81