Finding the Fourth Proportional to 52,477.56, 78,628.86 and 37,664.28

Step by Step Solution

1. Step 1: Write the proportion equation
   52,477.56 : 78,628.86 = 37,664.28 : x
2. Step 2: Convert to fraction form
   52,477.56/78,628.86 = 37,664.28/x
3. Step 3: Cross multiply
   52,477.56x = 78,628.86 × 37,664.28
4. Step 4: Simplify right side
   52,477.56x = 2,961,499,399.12
5. Step 5: Solve for x
   x = 2,961,499,399.12/52,477.56
6. Step 6: Final answer
   x = 56,433.63