Finding the Fourth Proportional to 118,012.61, 162,856.50 and 64,297.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,012.61 : 162,856.50 = 64,297.46 : x
2. Step 2: Convert to fraction form
   118,012.61/162,856.50 = 64,297.46/x
3. Step 3: Cross multiply
   118,012.61x = 162,856.50 × 64,297.46
4. Step 4: Simplify right side
   118,012.61x = 10,471,259,294.49
5. Step 5: Solve for x
   x = 10,471,259,294.49/118,012.61
6. Step 6: Final answer
   x = 88,730.00