Finding the Fourth Proportional to 56,643.84, 78,114.24 and 37,493.28

Step by Step Solution

1. Step 1: Write the proportion equation
   56,643.84 : 78,114.24 = 37,493.28 : x
2. Step 2: Convert to fraction form
   56,643.84/78,114.24 = 37,493.28/x
3. Step 3: Cross multiply
   56,643.84x = 78,114.24 × 37,493.28
4. Step 4: Simplify right side
   56,643.84x = 2,928,759,072.31
5. Step 5: Solve for x
   x = 2,928,759,072.31/56,643.84
6. Step 6: Final answer
   x = 51,704.81