Finding the Fourth Proportional to 118,046.60, 162,899.56 and 64,330.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,046.60 : 162,899.56 = 64,330.46 : x
2. Step 2: Convert to fraction form
   118,046.60/162,899.56 = 64,330.46/x
3. Step 3: Cross multiply
   118,046.60x = 162,899.56 × 64,330.46
4. Step 4: Simplify right side
   118,046.60x = 10,479,402,492.45
5. Step 5: Solve for x
   x = 10,479,402,492.45/118,046.60
6. Step 6: Final answer
   x = 88,773.44