Finding the Fourth Proportional to 58,685.34, 80,978.33 and 34,807.35

Step by Step Solution

1. Step 1: Write the proportion equation
   58,685.34 : 80,978.33 = 34,807.35 : x
2. Step 2: Convert to fraction form
   58,685.34/80,978.33 = 34,807.35/x
3. Step 3: Cross multiply
   58,685.34x = 80,978.33 × 34,807.35
4. Step 4: Simplify right side
   58,685.34x = 2,818,640,900.69
5. Step 5: Solve for x
   x = 2,818,640,900.69/58,685.34
6. Step 6: Final answer
   x = 48,029.73