Finding the Fourth Proportional to 115,090.33, 158,818.38 and 63,397.30

Step by Step Solution

1. Step 1: Write the proportion equation
   115,090.33 : 158,818.38 = 63,397.30 : x
2. Step 2: Convert to fraction form
   115,090.33/158,818.38 = 63,397.30/x
3. Step 3: Cross multiply
   115,090.33x = 158,818.38 × 63,397.30
4. Step 4: Simplify right side
   115,090.33x = 10,068,656,482.37
5. Step 5: Solve for x
   x = 10,068,656,482.37/115,090.33
6. Step 6: Final answer
   x = 87,484.82