Finding the Fourth Proportional to 373,961.72, 561,164.52 and 149,428.10

Step by Step Solution

1. Step 1: Write the proportion equation
   373,961.72 : 561,164.52 = 149,428.10 : x
2. Step 2: Convert to fraction form
   373,961.72/561,164.52 = 149,428.10/x
3. Step 3: Cross multiply
   373,961.72x = 561,164.52 × 149,428.10
4. Step 4: Simplify right side
   373,961.72x = 83,853,748,011.01
5. Step 5: Solve for x
   x = 83,853,748,011.01/373,961.72
6. Step 6: Final answer
   x = 224,230.83