Finding the Fourth Proportional to 56,649.17, 78,185.64 and 32,789

Step by Step Solution

1. Step 1: Write the proportion equation
   56,649.17 : 78,185.64 = 32,789 : x
2. Step 2: Convert to fraction form
   56,649.17/78,185.64 = 32,789/x
3. Step 3: Cross multiply
   56,649.17x = 78,185.64 × 32,789
4. Step 4: Simplify right side
   56,649.17x = 2,563,628,949.96
5. Step 5: Solve for x
   x = 2,563,628,949.96/56,649.17
6. Step 6: Final answer
   x = 45,254.48