Finding the Fourth Proportional to 119,018.31, 164,248.30 and 65,303.31

Step by Step Solution

1. Step 1: Write the proportion equation
   119,018.31 : 164,248.30 = 65,303.31 : x
2. Step 2: Convert to fraction form
   119,018.31/164,248.30 = 65,303.31/x
3. Step 3: Cross multiply
   119,018.31x = 164,248.30 × 65,303.31
4. Step 4: Simplify right side
   119,018.31x = 10,725,958,165.77
5. Step 5: Solve for x
   x = 10,725,958,165.77/119,018.31
6. Step 6: Final answer
   x = 90,120.23