Finding the Fourth Proportional to 60,864.57, 91,300.98 and 18,742.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,864.57 : 91,300.98 = 18,742.05 : x
2. Step 2: Convert to fraction form
   60,864.57/91,300.98 = 18,742.05/x
3. Step 3: Cross multiply
   60,864.57x = 91,300.98 × 18,742.05
4. Step 4: Simplify right side
   60,864.57x = 1,711,167,532.21
5. Step 5: Solve for x
   x = 1,711,167,532.21/60,864.57
6. Step 6: Final answer
   x = 28,114.35