Finding the Fourth Proportional to 82,478.08, 123,862.48 and 61,423.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,478.08 : 123,862.48 = 61,423.84 : x
2. Step 2: Convert to fraction form
   82,478.08/123,862.48 = 61,423.84/x
3. Step 3: Cross multiply
   82,478.08x = 123,862.48 × 61,423.84
4. Step 4: Simplify right side
   82,478.08x = 7,608,109,153.52
5. Step 5: Solve for x
   x = 7,608,109,153.52/82,478.08
6. Step 6: Final answer
   x = 92,244.01