Finding the Fourth Proportional to 101,499,917.99, 140,069,990.49 and 55,090,181.48

Step by Step Solution

1. Step 1: Write the proportion equation
   101,499,917.99 : 140,069,990.49 = 55,090,181.48 : x
2. Step 2: Convert to fraction form
   101,499,917.99/140,069,990.49 = 55,090,181.48/x
3. Step 3: Cross multiply
   101,499,917.99x = 140,069,990.49 × 55,090,181.48
4. Step 4: Simplify right side
   101,499,917.99x = 7,716,481,195,995,974
5. Step 5: Solve for x
   x = 7,716,481,195,995,974/101,499,917.99
6. Step 6: Final answer
   x = 76,024,506.71