Finding the Fourth Proportional to 429,051.72, 592,091.34 and 238,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,051.72 : 592,091.34 = 238,066.50 : x
2. Step 2: Convert to fraction form
   429,051.72/592,091.34 = 238,066.50/x
3. Step 3: Cross multiply
   429,051.72x = 592,091.34 × 238,066.50
4. Step 4: Simplify right side
   429,051.72x = 140,957,112,994.11
5. Step 5: Solve for x
   x = 140,957,112,994.11/429,051.72
6. Step 6: Final answer
   x = 328,531.75