Finding the Fourth Proportional to 76,505.32, 105,582.18 and 42,973.48

Step by Step Solution

1. Step 1: Write the proportion equation
   76,505.32 : 105,582.18 = 42,973.48 : x
2. Step 2: Convert to fraction form
   76,505.32/105,582.18 = 42,973.48/x
3. Step 3: Cross multiply
   76,505.32x = 105,582.18 × 42,973.48
4. Step 4: Simplify right side
   76,505.32x = 4,537,233,700.59
5. Step 5: Solve for x
   x = 4,537,233,700.59/76,505.32
6. Step 6: Final answer
   x = 59,306.12