Finding the Fourth Proportional to 77,403, 106,826.22 and 45,574.84

Step by Step Solution

1. Step 1: Write the proportion equation
   77,403 : 106,826.22 = 45,574.84 : x
2. Step 2: Convert to fraction form
   77,403/106,826.22 = 45,574.84/x
3. Step 3: Cross multiply
   77,403x = 106,826.22 × 45,574.84
4. Step 4: Simplify right side
   77,403x = 4,868,587,884.30
5. Step 5: Solve for x
   x = 4,868,587,884.30/77,403
6. Step 6: Final answer
   x = 62,899.21