Finding the Fourth Proportional to 55,869.52, 77,096.72 and 30,719.04

Step by Step Solution

1. Step 1: Write the proportion equation
   55,869.52 : 77,096.72 = 30,719.04 : x
2. Step 2: Convert to fraction form
   55,869.52/77,096.72 = 30,719.04/x
3. Step 3: Cross multiply
   55,869.52x = 77,096.72 × 30,719.04
4. Step 4: Simplify right side
   55,869.52x = 2,368,337,225.55
5. Step 5: Solve for x
   x = 2,368,337,225.55/55,869.52
6. Step 6: Final answer
   x = 42,390.51