Finding the Fourth Proportional to 190,219,016.80, 285,238,580.00 and 73,688,952.30

Step by Step Solution

1. Step 1: Write the proportion equation
   190,219,016.80 : 285,238,580.00 = 73,688,952.30 : x
2. Step 2: Convert to fraction form
   190,219,016.80/285,238,580.00 = 73,688,952.30/x
3. Step 3: Cross multiply
   190,219,016.80x = 285,238,580.00 × 73,688,952.30
4. Step 4: Simplify right side
   190,219,016.80x = 21,018,932,113,945,096
5. Step 5: Solve for x
   x = 21,018,932,113,945,096/190,219,016.80
6. Step 6: Final answer
   x = 110,498,584.57