Finding the Fourth Proportional to 128,097, 176,760.43 and 74,371.52

Step by Step Solution

1. Step 1: Write the proportion equation
   128,097 : 176,760.43 = 74,371.52 : x
2. Step 2: Convert to fraction form
   128,097/176,760.43 = 74,371.52/x
3. Step 3: Cross multiply
   128,097x = 176,760.43 × 74,371.52
4. Step 4: Simplify right side
   128,097x = 13,145,941,483.10
5. Step 5: Solve for x
   x = 13,145,941,483.10/128,097
6. Step 6: Final answer
   x = 102,624.90