Finding the Fourth Proportional to 123,965,574.06, 170,683,087.11 and 105,341,431.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,965,574.06 : 170,683,087.11 = 105,341,431.98 : x
2. Step 2: Convert to fraction form
   123,965,574.06/170,683,087.11 = 105,341,431.98/x
3. Step 3: Cross multiply
   123,965,574.06x = 170,683,087.11 × 105,341,431.98
4. Step 4: Simplify right side
   123,965,574.06x = 17,980,000,810,934,482
5. Step 5: Solve for x
   x = 17,980,000,810,934,482/123,965,574.06
6. Step 6: Final answer
   x = 145,040,273.86