Finding the Fourth Proportional to 11,807.53, 17,700.15 and 5,878.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,807.53 : 17,700.15 = 5,878.81 : x
2. Step 2: Convert to fraction form
   11,807.53/17,700.15 = 5,878.81/x
3. Step 3: Cross multiply
   11,807.53x = 17,700.15 × 5,878.81
4. Step 4: Simplify right side
   11,807.53x = 104,055,818.82
5. Step 5: Solve for x
   x = 104,055,818.82/11,807.53
6. Step 6: Final answer
   x = 8,812.67