Finding the Fourth Proportional to 288,003.83, 432,100.51 and 136,266.12

Step by Step Solution

1. Step 1: Write the proportion equation
   288,003.83 : 432,100.51 = 136,266.12 : x
2. Step 2: Convert to fraction form
   288,003.83/432,100.51 = 136,266.12/x
3. Step 3: Cross multiply
   288,003.83x = 432,100.51 × 136,266.12
4. Step 4: Simplify right side
   288,003.83x = 58,880,659,607.06
5. Step 5: Solve for x
   x = 58,880,659,607.06/288,003.83
6. Step 6: Final answer
   x = 204,444.02