Finding the Fourth Proportional to 76,499.94, 105,620.74 and 47,862.74

Step by Step Solution

1. Step 1: Write the proportion equation
   76,499.94 : 105,620.74 = 47,862.74 : x
2. Step 2: Convert to fraction form
   76,499.94/105,620.74 = 47,862.74/x
3. Step 3: Cross multiply
   76,499.94x = 105,620.74 × 47,862.74
4. Step 4: Simplify right side
   76,499.94x = 5,055,298,017.23
5. Step 5: Solve for x
   x = 5,055,298,017.23/76,499.94
6. Step 6: Final answer
   x = 66,082.38