Finding the Fourth Proportional to 291,164.31, 401,815.69 and 158,566.04

Step by Step Solution

1. Step 1: Write the proportion equation
   291,164.31 : 401,815.69 = 158,566.04 : x
2. Step 2: Convert to fraction form
   291,164.31/401,815.69 = 158,566.04/x
3. Step 3: Cross multiply
   291,164.31x = 401,815.69 × 158,566.04
4. Step 4: Simplify right side
   291,164.31x = 63,714,323,569.64
5. Step 5: Solve for x
   x = 63,714,323,569.64/291,164.31
6. Step 6: Final answer
   x = 218,826.01