Finding the Fourth Proportional to 292,738.34, 403,978.83 and 158,602.34

Step by Step Solution

1. Step 1: Write the proportion equation
   292,738.34 : 403,978.83 = 158,602.34 : x
2. Step 2: Convert to fraction form
   292,738.34/403,978.83 = 158,602.34/x
3. Step 3: Cross multiply
   292,738.34x = 403,978.83 × 158,602.34
4. Step 4: Simplify right side
   292,738.34x = 64,071,987,748.46
5. Step 5: Solve for x
   x = 64,071,987,748.46/292,738.34
6. Step 6: Final answer
   x = 218,871.19