Finding the Fourth Proportional to 140,892.72, 194,437.98 and 84,293.16

Step by Step Solution

1. Step 1: Write the proportion equation
   140,892.72 : 194,437.98 = 84,293.16 : x
2. Step 2: Convert to fraction form
   140,892.72/194,437.98 = 84,293.16/x
3. Step 3: Cross multiply
   140,892.72x = 194,437.98 × 84,293.16
4. Step 4: Simplify right side
   140,892.72x = 16,389,791,758.22
5. Step 5: Solve for x
   x = 16,389,791,758.22/140,892.72
6. Step 6: Final answer
   x = 116,328.17