Finding the Fourth Proportional to 30,699,496.51, 42,365,085.85 and 16,760,851.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,699,496.51 : 42,365,085.85 = 16,760,851.18 : x
2. Step 2: Convert to fraction form
   30,699,496.51/42,365,085.85 = 16,760,851.18/x
3. Step 3: Cross multiply
   30,699,496.51x = 42,365,085.85 × 16,760,851.18
4. Step 4: Simplify right side
   30,699,496.51x = 710,074,899,159,773.88
5. Step 5: Solve for x
   x = 710,074,899,159,773.88/30,699,496.51
6. Step 6: Final answer
   x = 23,129,854.88