Finding the Fourth Proportional to 119,111.45, 164,374.08 and 65,399.91

Step by Step Solution

1. Step 1: Write the proportion equation
   119,111.45 : 164,374.08 = 65,399.91 : x
2. Step 2: Convert to fraction form
   119,111.45/164,374.08 = 65,399.91/x
3. Step 3: Cross multiply
   119,111.45x = 164,374.08 × 65,399.91
4. Step 4: Simplify right side
   119,111.45x = 10,750,050,038.33
5. Step 5: Solve for x
   x = 10,750,050,038.33/119,111.45
6. Step 6: Final answer
   x = 90,252.03