Finding the Fourth Proportional to 76,585.31, 105,672.10 and 44,748.05

Step by Step Solution

1. Step 1: Write the proportion equation
   76,585.31 : 105,672.10 = 44,748.05 : x
2. Step 2: Convert to fraction form
   76,585.31/105,672.10 = 44,748.05/x
3. Step 3: Cross multiply
   76,585.31x = 105,672.10 × 44,748.05
4. Step 4: Simplify right side
   76,585.31x = 4,728,619,774.17
5. Step 5: Solve for x
   x = 4,728,619,774.17/76,585.31
6. Step 6: Final answer
   x = 61,743.17