Finding the Fourth Proportional to 76,607.58, 105,689.42 and 47,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,607.58 : 105,689.42 = 47,522.50 : x
2. Step 2: Convert to fraction form
   76,607.58/105,689.42 = 47,522.50/x
3. Step 3: Cross multiply
   76,607.58x = 105,689.42 × 47,522.50
4. Step 4: Simplify right side
   76,607.58x = 5,022,625,461.95
5. Step 5: Solve for x
   x = 5,022,625,461.95/76,607.58
6. Step 6: Final answer
   x = 65,563.04