Finding the Fourth Proportional to 142,886.42, 214,314.45 and 58,655.42

Step by Step Solution

1. Step 1: Write the proportion equation
   142,886.42 : 214,314.45 = 58,655.42 : x
2. Step 2: Convert to fraction form
   142,886.42/214,314.45 = 58,655.42/x
3. Step 3: Cross multiply
   142,886.42x = 214,314.45 × 58,655.42
4. Step 4: Simplify right side
   142,886.42x = 12,570,704,076.82
5. Step 5: Solve for x
   x = 12,570,704,076.82/142,886.42
6. Step 6: Final answer
   x = 87,976.90