Finding the Fourth Proportional to 60,729.96, 91,097.72 and 18,607

Step by Step Solution

1. Step 1: Write the proportion equation
   60,729.96 : 91,097.72 = 18,607 : x
2. Step 2: Convert to fraction form
   60,729.96/91,097.72 = 18,607/x
3. Step 3: Cross multiply
   60,729.96x = 91,097.72 × 18,607
4. Step 4: Simplify right side
   60,729.96x = 1,695,055,276.04
5. Step 5: Solve for x
   x = 1,695,055,276.04/60,729.96
6. Step 6: Final answer
   x = 27,911.35