Finding the Fourth Proportional to 116,070.57, 174,105.91 and 76,618.46

Step by Step Solution

1. Step 1: Write the proportion equation
   116,070.57 : 174,105.91 = 76,618.46 : x
2. Step 2: Convert to fraction form
   116,070.57/174,105.91 = 76,618.46/x
3. Step 3: Cross multiply
   116,070.57x = 174,105.91 × 76,618.46
4. Step 4: Simplify right side
   116,070.57x = 13,339,726,701.10
5. Step 5: Solve for x
   x = 13,339,726,701.10/116,070.57
6. Step 6: Final answer
   x = 114,927.73