Finding the Fourth Proportional to 119,210.49, 164,510.46 and 65,493.72

Step by Step Solution

1. Step 1: Write the proportion equation
   119,210.49 : 164,510.46 = 65,493.72 : x
2. Step 2: Convert to fraction form
   119,210.49/164,510.46 = 65,493.72/x
3. Step 3: Cross multiply
   119,210.49x = 164,510.46 × 65,493.72
4. Step 4: Simplify right side
   119,210.49x = 10,774,402,004.31
5. Step 5: Solve for x
   x = 10,774,402,004.31/119,210.49
6. Step 6: Final answer
   x = 90,381.32