Finding the Fourth Proportional to 362,164.32, 499,779.27 and 201,009.78

Step by Step Solution

1. Step 1: Write the proportion equation
   362,164.32 : 499,779.27 = 201,009.78 : x
2. Step 2: Convert to fraction form
   362,164.32/499,779.27 = 201,009.78/x
3. Step 3: Cross multiply
   362,164.32x = 499,779.27 × 201,009.78
4. Step 4: Simplify right side
   362,164.32x = 100,460,521,111.26
5. Step 5: Solve for x
   x = 100,460,521,111.26/362,164.32
6. Step 6: Final answer
   x = 277,389.34