Finding the Fourth Proportional to 293,127.47, 404,515.91 and 158,991.47

Step by Step Solution

1. Step 1: Write the proportion equation
   293,127.47 : 404,515.91 = 158,991.47 : x
2. Step 2: Convert to fraction form
   293,127.47/404,515.91 = 158,991.47/x
3. Step 3: Cross multiply
   293,127.47x = 404,515.91 × 158,991.47
4. Step 4: Simplify right side
   293,127.47x = 64,314,579,061.12
5. Step 5: Solve for x
   x = 64,314,579,061.12/293,127.47
6. Step 6: Final answer
   x = 219,408.23