Finding the Fourth Proportional to 55,903.84, 77,145.72 and 30,753.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,903.84 : 77,145.72 = 30,753.34 : x
2. Step 2: Convert to fraction form
   55,903.84/77,145.72 = 30,753.34/x
3. Step 3: Cross multiply
   55,903.84x = 77,145.72 × 30,753.34
4. Step 4: Simplify right side
   55,903.84x = 2,372,488,556.70
5. Step 5: Solve for x
   x = 2,372,488,556.70/55,903.84
6. Step 6: Final answer
   x = 42,438.74