Finding the Fourth Proportional to 118,080.32, 162,950.88 and 64,365.28

Step by Step Solution

1. Step 1: Write the proportion equation
   118,080.32 : 162,950.88 = 64,365.28 : x
2. Step 2: Convert to fraction form
   118,080.32/162,950.88 = 64,365.28/x
3. Step 3: Cross multiply
   118,080.32x = 162,950.88 × 64,365.28
4. Step 4: Simplify right side
   118,080.32x = 10,488,379,017.45
5. Step 5: Solve for x
   x = 10,488,379,017.45/118,080.32
6. Step 6: Final answer
   x = 88,824.11