Finding the Fourth Proportional to 105,075,570.24, 145,004,568.12 and 58,667,484.78

Step by Step Solution

1. Step 1: Write the proportion equation
   105,075,570.24 : 145,004,568.12 = 58,667,484.78 : x
2. Step 2: Convert to fraction form
   105,075,570.24/145,004,568.12 = 58,667,484.78/x
3. Step 3: Cross multiply
   105,075,570.24x = 145,004,568.12 × 58,667,484.78
4. Step 4: Simplify right side
   105,075,570.24x = 8,507,053,293,210,574
5. Step 5: Solve for x
   x = 8,507,053,293,210,574/105,075,570.24
6. Step 6: Final answer
   x = 80,961,285.99