Finding the Fourth Proportional to 293,038.72, 404,393.60 and 158,902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   293,038.72 : 404,393.60 = 158,902.72 : x
2. Step 2: Convert to fraction form
   293,038.72/404,393.60 = 158,902.72/x
3. Step 3: Cross multiply
   293,038.72x = 404,393.60 × 158,902.72
4. Step 4: Simplify right side
   293,038.72x = 64,259,242,990.59
5. Step 5: Solve for x
   x = 64,259,242,990.59/293,038.72
6. Step 6: Final answer
   x = 219,285.84