Finding the Fourth Proportional to 52,142.67, 78,228.59 and 17,106.93

Step by Step Solution

1. Step 1: Write the proportion equation
   52,142.67 : 78,228.59 = 17,106.93 : x
2. Step 2: Convert to fraction form
   52,142.67/78,228.59 = 17,106.93/x
3. Step 3: Cross multiply
   52,142.67x = 78,228.59 × 17,106.93
4. Step 4: Simplify right side
   52,142.67x = 1,338,250,927.59
5. Step 5: Solve for x
   x = 1,338,250,927.59/52,142.67
6. Step 6: Final answer
   x = 25,665.18