Finding the Fourth Proportional to 116,443.08, 174,538.24 and 76,445.28

Step by Step Solution

1. Step 1: Write the proportion equation
   116,443.08 : 174,538.24 = 76,445.28 : x
2. Step 2: Convert to fraction form
   116,443.08/174,538.24 = 76,445.28/x
3. Step 3: Cross multiply
   116,443.08x = 174,538.24 × 76,445.28
4. Step 4: Simplify right side
   116,443.08x = 13,342,624,627.51
5. Step 5: Solve for x
   x = 13,342,624,627.51/116,443.08
6. Step 6: Final answer
   x = 114,584.95