Finding the Fourth Proportional to 56,890.48, 78,450.60 and 37,763.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,890.48 : 78,450.60 = 37,763.50 : x
2. Step 2: Convert to fraction form
   56,890.48/78,450.60 = 37,763.50/x
3. Step 3: Cross multiply
   56,890.48x = 78,450.60 × 37,763.50
4. Step 4: Simplify right side
   56,890.48x = 2,962,569,233.10
5. Step 5: Solve for x
   x = 2,962,569,233.10/56,890.48
6. Step 6: Final answer
   x = 52,074.96