Finding the Fourth Proportional to 142,411, 213,565.42 and 42,552.58

Step by Step Solution

1. Step 1: Write the proportion equation
   142,411 : 213,565.42 = 42,552.58 : x
2. Step 2: Convert to fraction form
   142,411/213,565.42 = 42,552.58/x
3. Step 3: Cross multiply
   142,411x = 213,565.42 × 42,552.58
4. Step 4: Simplify right side
   142,411x = 9,087,759,619.78
5. Step 5: Solve for x
   x = 9,087,759,619.78/142,411
6. Step 6: Final answer
   x = 63,813.61