Finding the Fourth Proportional to 76,632, 105,752.16 and 43,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,632 : 105,752.16 = 43,098.72 : x
2. Step 2: Convert to fraction form
   76,632/105,752.16 = 43,098.72/x
3. Step 3: Cross multiply
   76,632x = 105,752.16 × 43,098.72
4. Step 4: Simplify right side
   76,632x = 4,557,782,733.24
5. Step 5: Solve for x
   x = 4,557,782,733.24/76,632
6. Step 6: Final answer
   x = 59,476.23