Finding the Fourth Proportional to 105,748, 145,932.24 and 58,644

Step by Step Solution

1. Step 1: Write the proportion equation
   105,748 : 145,932.24 = 58,644 : x
2. Step 2: Convert to fraction form
   105,748/145,932.24 = 58,644/x
3. Step 3: Cross multiply
   105,748x = 145,932.24 × 58,644
4. Step 4: Simplify right side
   105,748x = 8,558,050,282.56
5. Step 5: Solve for x
   x = 8,558,050,282.56/105,748
6. Step 6: Final answer
   x = 80,928.72