Finding the Fourth Proportional to 104,054,171.58, 143,603,574.78 and 57,658,978.62

Step by Step Solution

1. Step 1: Write the proportion equation
   104,054,171.58 : 143,603,574.78 = 57,658,978.62 : x
2. Step 2: Convert to fraction form
   104,054,171.58/143,603,574.78 = 57,658,978.62/x
3. Step 3: Cross multiply
   104,054,171.58x = 143,603,574.78 × 57,658,978.62
4. Step 4: Simplify right side
   104,054,171.58x = 8,280,035,447,995,591
5. Step 5: Solve for x
   x = 8,280,035,447,995,591/104,054,171.58
6. Step 6: Final answer
   x = 79,574,276.77