Finding the Fourth Proportional to 30,821,788.73, 42,533,547.18 and 17,070,457.61

Step by Step Solution

1. Step 1: Write the proportion equation
   30,821,788.73 : 42,533,547.18 = 17,070,457.61 : x
2. Step 2: Convert to fraction form
   30,821,788.73/42,533,547.18 = 17,070,457.61/x
3. Step 3: Cross multiply
   30,821,788.73x = 42,533,547.18 × 17,070,457.61
4. Step 4: Simplify right side
   30,821,788.73x = 726,067,113,926,457.38
5. Step 5: Solve for x
   x = 726,067,113,926,457.38/30,821,788.73
6. Step 6: Final answer
   x = 23,556,942.80