Finding the Fourth Proportional to 142,966.69, 214,451.86 and 37,784.75

Step by Step Solution

1. Step 1: Write the proportion equation
   142,966.69 : 214,451.86 = 37,784.75 : x
2. Step 2: Convert to fraction form
   142,966.69/214,451.86 = 37,784.75/x
3. Step 3: Cross multiply
   142,966.69x = 214,451.86 × 37,784.75
4. Step 4: Simplify right side
   142,966.69x = 8,103,009,917.14
5. Step 5: Solve for x
   x = 8,103,009,917.14/142,966.69
6. Step 6: Final answer
   x = 56,677.61