Finding the Fourth Proportional to 124,087.59, 186,066.99 and 60,880.05

Step by Step Solution

1. Step 1: Write the proportion equation
   124,087.59 : 186,066.99 = 60,880.05 : x
2. Step 2: Convert to fraction form
   124,087.59/186,066.99 = 60,880.05/x
3. Step 3: Cross multiply
   124,087.59x = 186,066.99 × 60,880.05
4. Step 4: Simplify right side
   124,087.59x = 11,327,767,654.55
5. Step 5: Solve for x
   x = 11,327,767,654.55/124,087.59
6. Step 6: Final answer
   x = 91,288.48