Finding the Fourth Proportional to 39,476.34, 59,127.84 and 28,404.45

Step by Step Solution

1. Step 1: Write the proportion equation
   39,476.34 : 59,127.84 = 28,404.45 : x
2. Step 2: Convert to fraction form
   39,476.34/59,127.84 = 28,404.45/x
3. Step 3: Cross multiply
   39,476.34x = 59,127.84 × 28,404.45
4. Step 4: Simplify right side
   39,476.34x = 1,679,493,774.89
5. Step 5: Solve for x
   x = 1,679,493,774.89/39,476.34
6. Step 6: Final answer
   x = 42,544.31