Finding the Fourth Proportional to 106,978.89, 147,633.17 and 58,582.86

Step by Step Solution

1. Step 1: Write the proportion equation
   106,978.89 : 147,633.17 = 58,582.86 : x
2. Step 2: Convert to fraction form
   106,978.89/147,633.17 = 58,582.86/x
3. Step 3: Cross multiply
   106,978.89x = 147,633.17 × 58,582.86
4. Step 4: Simplify right side
   106,978.89x = 8,648,773,036.55
5. Step 5: Solve for x
   x = 8,648,773,036.55/106,978.89
6. Step 6: Final answer
   x = 80,845.60