Finding the Fourth Proportional to 438,002.06, 604,443.57 and 236,798.06

Step by Step Solution

1. Step 1: Write the proportion equation
   438,002.06 : 604,443.57 = 236,798.06 : x
2. Step 2: Convert to fraction form
   438,002.06/604,443.57 = 236,798.06/x
3. Step 3: Cross multiply
   438,002.06x = 604,443.57 × 236,798.06
4. Step 4: Simplify right side
   438,002.06x = 143,131,064,755.47
5. Step 5: Solve for x
   x = 143,131,064,755.47/438,002.06
6. Step 6: Final answer
   x = 326,781.72