Finding the Fourth Proportional to 129,940.83, 194,989.00 and 56,068.83

Step by Step Solution

1. Step 1: Write the proportion equation
   129,940.83 : 194,989.00 = 56,068.83 : x
2. Step 2: Convert to fraction form
   129,940.83/194,989.00 = 56,068.83/x
3. Step 3: Cross multiply
   129,940.83x = 194,989.00 × 56,068.83
4. Step 4: Simplify right side
   129,940.83x = 10,932,804,989.31
5. Step 5: Solve for x
   x = 10,932,804,989.31/129,940.83
6. Step 6: Final answer
   x = 84,136.80