Finding the Fourth Proportional to 90,174.84, 135,274.56 and 37,572

Step by Step Solution

1. Step 1: Write the proportion equation
   90,174.84 : 135,274.56 = 37,572 : x
2. Step 2: Convert to fraction form
   90,174.84/135,274.56 = 37,572/x
3. Step 3: Cross multiply
   90,174.84x = 135,274.56 × 37,572
4. Step 4: Simplify right side
   90,174.84x = 5,082,535,768.32
5. Step 5: Solve for x
   x = 5,082,535,768.32/90,174.84
6. Step 6: Final answer
   x = 56,363.12