Finding the Fourth Proportional to 559,247.76, 838,667.52 and 204,156.72

Step by Step Solution

1. Step 1: Write the proportion equation
   559,247.76 : 838,667.52 = 204,156.72 : x
2. Step 2: Convert to fraction form
   559,247.76/838,667.52 = 204,156.72/x
3. Step 3: Cross multiply
   559,247.76x = 838,667.52 × 204,156.72
4. Step 4: Simplify right side
   559,247.76x = 171,219,610,053.73
5. Step 5: Solve for x
   x = 171,219,610,053.73/559,247.76
6. Step 6: Final answer
   x = 306,160.56