Finding the Fourth Proportional to 106,834.42, 147,425.52 and 58,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   106,834.42 : 147,425.52 = 58,426.72 : x
2. Step 2: Convert to fraction form
   106,834.42/147,425.52 = 58,426.72/x
3. Step 3: Cross multiply
   106,834.42x = 147,425.52 × 58,426.72
4. Step 4: Simplify right side
   106,834.42x = 8,613,589,577.89
5. Step 5: Solve for x
   x = 8,613,589,577.89/106,834.42
6. Step 6: Final answer
   x = 80,625.60