Finding the Fourth Proportional to 116,141.34, 174,094.38 and 78,705.24

Step by Step Solution

1. Step 1: Write the proportion equation
   116,141.34 : 174,094.38 = 78,705.24 : x
2. Step 2: Convert to fraction form
   116,141.34/174,094.38 = 78,705.24/x
3. Step 3: Cross multiply
   116,141.34x = 174,094.38 × 78,705.24
4. Step 4: Simplify right side
   116,141.34x = 13,702,139,960.55
5. Step 5: Solve for x
   x = 13,702,139,960.55/116,141.34
6. Step 6: Final answer
   x = 117,978.15