Finding the Fourth Proportional to 82,812.86, 123,837.78 and 61,505.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,812.86 : 123,837.78 = 61,505.84 : x
2. Step 2: Convert to fraction form
   82,812.86/123,837.78 = 61,505.84/x
3. Step 3: Cross multiply
   82,812.86x = 123,837.78 × 61,505.84
4. Step 4: Simplify right side
   82,812.86x = 7,616,746,682.64
5. Step 5: Solve for x
   x = 7,616,746,682.64/82,812.86
6. Step 6: Final answer
   x = 91,975.41