Finding the Fourth Proportional to 124,906.86, 187,362.72 and 45,980.46

Step by Step Solution

1. Step 1: Write the proportion equation
   124,906.86 : 187,362.72 = 45,980.46 : x
2. Step 2: Convert to fraction form
   124,906.86/187,362.72 = 45,980.46/x
3. Step 3: Cross multiply
   124,906.86x = 187,362.72 × 45,980.46
4. Step 4: Simplify right side
   124,906.86x = 8,615,024,052.45
5. Step 5: Solve for x
   x = 8,615,024,052.45/124,906.86
6. Step 6: Final answer
   x = 68,971.58