Finding the Fourth Proportional to 56,578.90, 84,743.71 and 37,770.83

Step by Step Solution

1. Step 1: Write the proportion equation
   56,578.90 : 84,743.71 = 37,770.83 : x
2. Step 2: Convert to fraction form
   56,578.90/84,743.71 = 37,770.83/x
3. Step 3: Cross multiply
   56,578.90x = 84,743.71 × 37,770.83
4. Step 4: Simplify right side
   56,578.90x = 3,200,840,263.98
5. Step 5: Solve for x
   x = 3,200,840,263.98/56,578.90
6. Step 6: Final answer
   x = 56,573.04