Finding the Fourth Proportional to 58,648.05, 87,972.89 and 42,148.35

Step by Step Solution

1. Step 1: Write the proportion equation
   58,648.05 : 87,972.89 = 42,148.35 : x
2. Step 2: Convert to fraction form
   58,648.05/87,972.89 = 42,148.35/x
3. Step 3: Cross multiply
   58,648.05x = 87,972.89 × 42,148.35
4. Step 4: Simplify right side
   58,648.05x = 3,707,911,947.49
5. Step 5: Solve for x
   x = 3,707,911,947.49/58,648.05
6. Step 6: Final answer
   x = 63,223.11