Finding the Fourth Proportional to 52,619.89, 78,803.74 and 38,350.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,619.89 : 78,803.74 = 38,350.12 : x
2. Step 2: Convert to fraction form
   52,619.89/78,803.74 = 38,350.12/x
3. Step 3: Cross multiply
   52,619.89x = 78,803.74 × 38,350.12
4. Step 4: Simplify right side
   52,619.89x = 3,022,132,885.45
5. Step 5: Solve for x
   x = 3,022,132,885.45/52,619.89
6. Step 6: Final answer
   x = 57,433.28