Finding the Fourth Proportional to 63,188,090.37, 86,864,780.27 and 54,335,120.85

Step by Step Solution

1. Step 1: Write the proportion equation
   63,188,090.37 : 86,864,780.27 = 54,335,120.85 : x
2. Step 2: Convert to fraction form
   63,188,090.37/86,864,780.27 = 54,335,120.85/x
3. Step 3: Cross multiply
   63,188,090.37x = 86,864,780.27 × 54,335,120.85
4. Step 4: Simplify right side
   63,188,090.37x = 4,719,808,333,714,983
5. Step 5: Solve for x
   x = 4,719,808,333,714,983/63,188,090.37
6. Step 6: Final answer
   x = 74,694,587.32