Finding the Fourth Proportional to 12,492.72, 18,741.78 and 4,701.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,492.72 : 18,741.78 = 4,701.51 : x
2. Step 2: Convert to fraction form
   12,492.72/18,741.78 = 4,701.51/x
3. Step 3: Cross multiply
   12,492.72x = 18,741.78 × 4,701.51
4. Step 4: Simplify right side
   12,492.72x = 88,114,666.09
5. Step 5: Solve for x
   x = 88,114,666.09/12,492.72
6. Step 6: Final answer
   x = 7,053.28