Finding the Fourth Proportional to 76,141.58, 105,085.17 and 45,943.20

Step by Step Solution

1. Step 1: Write the proportion equation
   76,141.58 : 105,085.17 = 45,943.20 : x
2. Step 2: Convert to fraction form
   76,141.58/105,085.17 = 45,943.20/x
3. Step 3: Cross multiply
   76,141.58x = 105,085.17 × 45,943.20
4. Step 4: Simplify right side
   76,141.58x = 4,827,948,982.34
5. Step 5: Solve for x
   x = 4,827,948,982.34/76,141.58
6. Step 6: Final answer
   x = 63,407.53