Finding the Fourth Proportional to 82,810.86, 123,834.78 and 61,503.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,810.86 : 123,834.78 = 61,503.84 : x
2. Step 2: Convert to fraction form
   82,810.86/123,834.78 = 61,503.84/x
3. Step 3: Cross multiply
   82,810.86x = 123,834.78 × 61,503.84
4. Step 4: Simplify right side
   82,810.86x = 7,616,314,495.56
5. Step 5: Solve for x
   x = 7,616,314,495.56/82,810.86
6. Step 6: Final answer
   x = 91,972.41