Finding the Fourth Proportional to 140,916.74, 194,458.98 and 84,359.30

Step by Step Solution

1. Step 1: Write the proportion equation
   140,916.74 : 194,458.98 = 84,359.30 : x
2. Step 2: Convert to fraction form
   140,916.74/194,458.98 = 84,359.30/x
3. Step 3: Cross multiply
   140,916.74x = 194,458.98 × 84,359.30
4. Step 4: Simplify right side
   140,916.74x = 16,404,423,431.51
5. Step 5: Solve for x
   x = 16,404,423,431.51/140,916.74
6. Step 6: Final answer
   x = 116,412.17