Finding the Fourth Proportional to 142,569.52, 213,841.80 and 42,752

Step by Step Solution

1. Step 1: Write the proportion equation
   142,569.52 : 213,841.80 = 42,752 : x
2. Step 2: Convert to fraction form
   142,569.52/213,841.80 = 42,752/x
3. Step 3: Cross multiply
   142,569.52x = 213,841.80 × 42,752
4. Step 4: Simplify right side
   142,569.52x = 9,142,164,633.60
5. Step 5: Solve for x
   x = 9,142,164,633.60/142,569.52
6. Step 6: Final answer
   x = 64,124.26