Finding the Fourth Proportional to 373,789, 560,916.78 and 152,173

Step by Step Solution

1. Step 1: Write the proportion equation
   373,789 : 560,916.78 = 152,173 : x
2. Step 2: Convert to fraction form
   373,789/560,916.78 = 152,173/x
3. Step 3: Cross multiply
   373,789x = 560,916.78 × 152,173
4. Step 4: Simplify right side
   373,789x = 85,356,389,162.94
5. Step 5: Solve for x
   x = 85,356,389,162.94/373,789
6. Step 6: Final answer
   x = 228,354.47