Finding the Fourth Proportional to 118,046.19, 162,899.00 and 64,330.05

Step by Step Solution

1. Step 1: Write the proportion equation
   118,046.19 : 162,899.00 = 64,330.05 : x
2. Step 2: Convert to fraction form
   118,046.19/162,899.00 = 64,330.05/x
3. Step 3: Cross multiply
   118,046.19x = 162,899.00 × 64,330.05
4. Step 4: Simplify right side
   118,046.19x = 10,479,300,429.10
5. Step 5: Solve for x
   x = 10,479,300,429.10/118,046.19
6. Step 6: Final answer
   x = 88,772.88