Finding the Fourth Proportional to 124,641.10, 186,682.79 and 57,981.34

Step by Step Solution

1. Step 1: Write the proportion equation
   124,641.10 : 186,682.79 = 57,981.34 : x
2. Step 2: Convert to fraction form
   124,641.10/186,682.79 = 57,981.34/x
3. Step 3: Cross multiply
   124,641.10x = 186,682.79 × 57,981.34
4. Step 4: Simplify right side
   124,641.10x = 10,824,117,647.35
5. Step 5: Solve for x
   x = 10,824,117,647.35/124,641.10
6. Step 6: Final answer
   x = 86,842.29