Finding the Fourth Proportional to 105,075,579.68, 145,004,581.15 and 58,667,494.22

Step by Step Solution

1. Step 1: Write the proportion equation
   105,075,579.68 : 145,004,581.15 = 58,667,494.22 : x
2. Step 2: Convert to fraction form
   105,075,579.68/145,004,581.15 = 58,667,494.22/x
3. Step 3: Cross multiply
   105,075,579.68x = 145,004,581.15 × 58,667,494.22
4. Step 4: Simplify right side
   105,075,579.68x = 8,507,055,426,491,146
5. Step 5: Solve for x
   x = 8,507,055,426,491,146/105,075,579.68
6. Step 6: Final answer
   x = 80,961,299.02