Finding the Fourth Proportional to 9,016.06, 13,492.41 and 7,798.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.06 : 13,492.41 = 7,798.78 : x
2. Step 2: Convert to fraction form
   9,016.06/13,492.41 = 7,798.78/x
3. Step 3: Cross multiply
   9,016.06x = 13,492.41 × 7,798.78
4. Step 4: Simplify right side
   9,016.06x = 105,224,337.26
5. Step 5: Solve for x
   x = 105,224,337.26/9,016.06
6. Step 6: Final answer
   x = 11,670.77