Finding the Fourth Proportional to 56,846.72, 78,498 and 35,662.40

Step by Step Solution

1. Step 1: Write the proportion equation
   56,846.72 : 78,498 = 35,662.40 : x
2. Step 2: Convert to fraction form
   56,846.72/78,498 = 35,662.40/x
3. Step 3: Cross multiply
   56,846.72x = 78,498 × 35,662.40
4. Step 4: Simplify right side
   56,846.72x = 2,799,427,075.20
5. Step 5: Solve for x
   x = 2,799,427,075.20/56,846.72
6. Step 6: Final answer
   x = 49,245.18