Finding the Fourth Proportional to 76,569.98, 105,658.98 and 47,884.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,569.98 : 105,658.98 = 47,884.10 : x
2. Step 2: Convert to fraction form
   76,569.98/105,658.98 = 47,884.10/x
3. Step 3: Cross multiply
   76,569.98x = 105,658.98 × 47,884.10
4. Step 4: Simplify right side
   76,569.98x = 5,059,385,164.22
5. Step 5: Solve for x
   x = 5,059,385,164.22/76,569.98
6. Step 6: Final answer
   x = 66,075.31