Finding the Fourth Proportional to 123,323,538.67, 170,179,977.20 and 70,398,143.46

Step by Step Solution

1. Step 1: Write the proportion equation
   123,323,538.67 : 170,179,977.20 = 70,398,143.46 : x
2. Step 2: Convert to fraction form
   123,323,538.67/170,179,977.20 = 70,398,143.46/x
3. Step 3: Cross multiply
   123,323,538.67x = 170,179,977.20 × 70,398,143.46
4. Step 4: Simplify right side
   123,323,538.67x = 11,980,354,448,945,128
5. Step 5: Solve for x
   x = 11,980,354,448,945,128/123,323,538.67
6. Step 6: Final answer
   x = 97,145,723.99