Finding the Fourth Proportional to 123,419,498.04, 170,336,257.40 and 76,391,655.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,419,498.04 : 170,336,257.40 = 76,391,655.84 : x
2. Step 2: Convert to fraction form
   123,419,498.04/170,336,257.40 = 76,391,655.84/x
3. Step 3: Cross multiply
   123,419,498.04x = 170,336,257.40 × 76,391,655.84
4. Step 4: Simplify right side
   123,419,498.04x = 13,012,268,752,374,454
5. Step 5: Solve for x
   x = 13,012,268,752,374,454/123,419,498.04
6. Step 6: Final answer
   x = 105,431,224.07