Finding the Fourth Proportional to 142,951.69, 214,412.47 and 58,720.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,951.69 : 214,412.47 = 58,720.76 : x
2. Step 2: Convert to fraction form
   142,951.69/214,412.47 = 58,720.76/x
3. Step 3: Cross multiply
   142,951.69x = 214,412.47 × 58,720.76
4. Step 4: Simplify right side
   142,951.69x = 12,590,461,973.01
5. Step 5: Solve for x
   x = 12,590,461,973.01/142,951.69
6. Step 6: Final answer
   x = 88,074.94