Finding the Fourth Proportional to 113,004.64, 155,951.29 and 67,690

Step by Step Solution

1. Step 1: Write the proportion equation
   113,004.64 : 155,951.29 = 67,690 : x
2. Step 2: Convert to fraction form
   113,004.64/155,951.29 = 67,690/x
3. Step 3: Cross multiply
   113,004.64x = 155,951.29 × 67,690
4. Step 4: Simplify right side
   113,004.64x = 10,556,342,820.10
5. Step 5: Solve for x
   x = 10,556,342,820.10/113,004.64
6. Step 6: Final answer
   x = 93,415.13