Finding the Fourth Proportional to 56,800.72, 78,396.68 and 37,681.68

Step by Step Solution

1. Step 1: Write the proportion equation
   56,800.72 : 78,396.68 = 37,681.68 : x
2. Step 2: Convert to fraction form
   56,800.72/78,396.68 = 37,681.68/x
3. Step 3: Cross multiply
   56,800.72x = 78,396.68 × 37,681.68
4. Step 4: Simplify right side
   56,800.72x = 2,954,118,608.82
5. Step 5: Solve for x
   x = 2,954,118,608.82/56,800.72
6. Step 6: Final answer
   x = 52,008.47