Finding the Fourth Proportional to 264,080.10, 396,071.55 and 164,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   264,080.10 : 396,071.55 = 164,061.30 : x
2. Step 2: Convert to fraction form
   264,080.10/396,071.55 = 164,061.30/x
3. Step 3: Cross multiply
   264,080.10x = 396,071.55 × 164,061.30
4. Step 4: Simplify right side
   264,080.10x = 64,980,013,386.02
5. Step 5: Solve for x
   x = 64,980,013,386.02/264,080.10
6. Step 6: Final answer
   x = 246,061.76