Finding the Fourth Proportional to 76,624, 105,742.72 and 43,092.48

Step by Step Solution

1. Step 1: Write the proportion equation
   76,624 : 105,742.72 = 43,092.48 : x
2. Step 2: Convert to fraction form
   76,624/105,742.72 = 43,092.48/x
3. Step 3: Cross multiply
   76,624x = 105,742.72 × 43,092.48
4. Step 4: Simplify right side
   76,624x = 4,556,716,046.75
5. Step 5: Solve for x
   x = 4,556,716,046.75/76,624
6. Step 6: Final answer
   x = 59,468.52