Finding the Fourth Proportional to 23,457.78, 35,191.98 and 7,875

Step by Step Solution

1. Step 1: Write the proportion equation
   23,457.78 : 35,191.98 = 7,875 : x
2. Step 2: Convert to fraction form
   23,457.78/35,191.98 = 7,875/x
3. Step 3: Cross multiply
   23,457.78x = 35,191.98 × 7,875
4. Step 4: Simplify right side
   23,457.78x = 277,136,842.50
5. Step 5: Solve for x
   x = 277,136,842.50/23,457.78
6. Step 6: Final answer
   x = 11,814.28