Finding the Fourth Proportional to 538,185.72, 807,248.50 and 164,179.32

Step by Step Solution

1. Step 1: Write the proportion equation
   538,185.72 : 807,248.50 = 164,179.32 : x
2. Step 2: Convert to fraction form
   538,185.72/807,248.50 = 164,179.32/x
3. Step 3: Cross multiply
   538,185.72x = 807,248.50 × 164,179.32
4. Step 4: Simplify right side
   538,185.72x = 132,533,509,801.02
5. Step 5: Solve for x
   x = 132,533,509,801.02/538,185.72
6. Step 6: Final answer
   x = 246,259.80