Finding the Fourth Proportional to 142,953.69, 214,415.47 and 58,722.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,953.69 : 214,415.47 = 58,722.76 : x
2. Step 2: Convert to fraction form
   142,953.69/214,415.47 = 58,722.76/x
3. Step 3: Cross multiply
   142,953.69x = 214,415.47 × 58,722.76
4. Step 4: Simplify right side
   142,953.69x = 12,591,068,185.10
5. Step 5: Solve for x
   x = 12,591,068,185.10/142,953.69
6. Step 6: Final answer
   x = 88,077.95