Finding the Fourth Proportional to 118,080.81, 162,948.27 and 64,366.88

Step by Step Solution

1. Step 1: Write the proportion equation
   118,080.81 : 162,948.27 = 64,366.88 : x
2. Step 2: Convert to fraction form
   118,080.81/162,948.27 = 64,366.88/x
3. Step 3: Cross multiply
   118,080.81x = 162,948.27 × 64,366.88
4. Step 4: Simplify right side
   118,080.81x = 10,488,471,741.30
5. Step 5: Solve for x
   x = 10,488,471,741.30/118,080.81
6. Step 6: Final answer
   x = 88,824.52