Finding the Fourth Proportional to 559,399.84, 838,788.72 and 185,218.72

Step by Step Solution

1. Step 1: Write the proportion equation
   559,399.84 : 838,788.72 = 185,218.72 : x
2. Step 2: Convert to fraction form
   559,399.84/838,788.72 = 185,218.72/x
3. Step 3: Cross multiply
   559,399.84x = 838,788.72 × 185,218.72
4. Step 4: Simplify right side
   559,399.84x = 155,359,373,068.84
5. Step 5: Solve for x
   x = 155,359,373,068.84/559,399.84
6. Step 6: Final answer
   x = 277,725.09