Finding the Fourth Proportional to 147,296.50, 203,275.83 and 86,869.69

Step by Step Solution

1. Step 1: Write the proportion equation
   147,296.50 : 203,275.83 = 86,869.69 : x
2. Step 2: Convert to fraction form
   147,296.50/203,275.83 = 86,869.69/x
3. Step 3: Cross multiply
   147,296.50x = 203,275.83 × 86,869.69
4. Step 4: Simplify right side
   147,296.50x = 17,658,507,320.21
5. Step 5: Solve for x
   x = 17,658,507,320.21/147,296.50
6. Step 6: Final answer
   x = 119,884.10