Finding the Fourth Proportional to 76,729.91, 105,892.59 and 46,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,729.91 : 105,892.59 = 46,516.50 : x
2. Step 2: Convert to fraction form
   76,729.91/105,892.59 = 46,516.50/x
3. Step 3: Cross multiply
   76,729.91x = 105,892.59 × 46,516.50
4. Step 4: Simplify right side
   76,729.91x = 4,925,752,575.52
5. Step 5: Solve for x
   x = 4,925,752,575.52/76,729.91
6. Step 6: Final answer
   x = 64,195.99