Finding the Fourth Proportional to 112,517, 155,292.90 and 67,805

Step by Step Solution

1. Step 1: Write the proportion equation
   112,517 : 155,292.90 = 67,805 : x
2. Step 2: Convert to fraction form
   112,517/155,292.90 = 67,805/x
3. Step 3: Cross multiply
   112,517x = 155,292.90 × 67,805
4. Step 4: Simplify right side
   112,517x = 10,529,635,084.50
5. Step 5: Solve for x
   x = 10,529,635,084.50/112,517
6. Step 6: Final answer
   x = 93,582.61