Finding the Fourth Proportional to 77,180.56, 115,688.76 and 37,174.60

Step by Step Solution

1. Step 1: Write the proportion equation
   77,180.56 : 115,688.76 = 37,174.60 : x
2. Step 2: Convert to fraction form
   77,180.56/115,688.76 = 37,174.60/x
3. Step 3: Cross multiply
   77,180.56x = 115,688.76 × 37,174.60
4. Step 4: Simplify right side
   77,180.56x = 4,300,683,377.50
5. Step 5: Solve for x
   x = 4,300,683,377.50/77,180.56
6. Step 6: Final answer
   x = 55,722.37