Finding the Fourth Proportional to 38,796.91, 58,192.29 and 12,146.96

Step by Step Solution

1. Step 1: Write the proportion equation
   38,796.91 : 58,192.29 = 12,146.96 : x
2. Step 2: Convert to fraction form
   38,796.91/58,192.29 = 12,146.96/x
3. Step 3: Cross multiply
   38,796.91x = 58,192.29 × 12,146.96
4. Step 4: Simplify right side
   38,796.91x = 706,859,564.42
5. Step 5: Solve for x
   x = 706,859,564.42/38,796.91
6. Step 6: Final answer
   x = 18,219.48