Finding the Fourth Proportional to 82,068.33, 113,328.96 and 61,890.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82,068.33 : 113,328.96 = 61,890.69 : x
2. Step 2: Convert to fraction form
   82,068.33/113,328.96 = 61,890.69/x
3. Step 3: Cross multiply
   82,068.33x = 113,328.96 × 61,890.69
4. Step 4: Simplify right side
   82,068.33x = 7,014,007,531.38
5. Step 5: Solve for x
   x = 7,014,007,531.38/82,068.33
6. Step 6: Final answer
   x = 85,465.46