Finding the Fourth Proportional to 116,740, 174,142.69 and 113,298.55

Step by Step Solution

1. Step 1: Write the proportion equation
   116,740 : 174,142.69 = 113,298.55 : x
2. Step 2: Convert to fraction form
   116,740/174,142.69 = 113,298.55/x
3. Step 3: Cross multiply
   116,740x = 174,142.69 × 113,298.55
4. Step 4: Simplify right side
   116,740x = 19,730,113,703.61
5. Step 5: Solve for x
   x = 19,730,113,703.61/116,740
6. Step 6: Final answer
   x = 169,009.03