Finding the Fourth Proportional to 190,219,016.55, 285,238,579.62 and 73,688,952.05

Step by Step Solution

1. Step 1: Write the proportion equation
   190,219,016.55 : 285,238,579.62 = 73,688,952.05 : x
2. Step 2: Convert to fraction form
   190,219,016.55/285,238,579.62 = 73,688,952.05/x
3. Step 3: Cross multiply
   190,219,016.55x = 285,238,579.62 × 73,688,952.05
4. Step 4: Simplify right side
   190,219,016.55x = 21,018,932,015,002,096
5. Step 5: Solve for x
   x = 21,018,932,015,002,096/190,219,016.55
6. Step 6: Final answer
   x = 110,498,584.19