Finding the Fourth Proportional to 52,722.56, 78,922.56 and 37,930.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,722.56 : 78,922.56 = 37,930.88 : x
2. Step 2: Convert to fraction form
   52,722.56/78,922.56 = 37,930.88/x
3. Step 3: Cross multiply
   52,722.56x = 78,922.56 × 37,930.88
4. Step 4: Simplify right side
   52,722.56x = 2,993,602,152.65
5. Step 5: Solve for x
   x = 2,993,602,152.65/52,722.56
6. Step 6: Final answer
   x = 56,780.29