Finding the Fourth Proportional to 42,718,457.50, 64,051,851.30 and 16,779,707.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,718,457.50 : 64,051,851.30 = 16,779,707.62 : x
2. Step 2: Convert to fraction form
   42,718,457.50/64,051,851.30 = 16,779,707.62/x
3. Step 3: Cross multiply
   42,718,457.50x = 64,051,851.30 × 16,779,707.62
4. Step 4: Simplify right side
   42,718,457.50x = 1,074,771,337,333,716.88
5. Step 5: Solve for x
   x = 1,074,771,337,333,716.88/42,718,457.50
6. Step 6: Final answer
   x = 25,159,413.52