Finding the Fourth Proportional to 124,335.71, 186,558.69 and 65,157.31

Step by Step Solution

1. Step 1: Write the proportion equation
   124,335.71 : 186,558.69 = 65,157.31 : x
2. Step 2: Convert to fraction form
   124,335.71/186,558.69 = 65,157.31/x
3. Step 3: Cross multiply
   124,335.71x = 186,558.69 × 65,157.31
4. Step 4: Simplify right side
   124,335.71x = 12,155,662,875.06
5. Step 5: Solve for x
   x = 12,155,662,875.06/124,335.71
6. Step 6: Final answer
   x = 97,764.86