Finding the Fourth Proportional to 52,071.40, 78,099.18 and 17,011

Step by Step Solution

1. Step 1: Write the proportion equation
   52,071.40 : 78,099.18 = 17,011 : x
2. Step 2: Convert to fraction form
   52,071.40/78,099.18 = 17,011/x
3. Step 3: Cross multiply
   52,071.40x = 78,099.18 × 17,011
4. Step 4: Simplify right side
   52,071.40x = 1,328,545,150.98
5. Step 5: Solve for x
   x = 1,328,545,150.98/52,071.40
6. Step 6: Final answer
   x = 25,513.91