Finding the Fourth Proportional to 38,848.84, 58,264.83 and 13,890.62

Step by Step Solution

1. Step 1: Write the proportion equation
   38,848.84 : 58,264.83 = 13,890.62 : x
2. Step 2: Convert to fraction form
   38,848.84/58,264.83 = 13,890.62/x
3. Step 3: Cross multiply
   38,848.84x = 58,264.83 × 13,890.62
4. Step 4: Simplify right side
   38,848.84x = 809,334,612.89
5. Step 5: Solve for x
   x = 809,334,612.89/38,848.84
6. Step 6: Final answer
   x = 20,832.92