Finding the Fourth Proportional to 42,772,469.33, 64,133,082.27 and 13,613,713.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,772,469.33 : 64,133,082.27 = 13,613,713.29 : x
2. Step 2: Convert to fraction form
   42,772,469.33/64,133,082.27 = 13,613,713.29/x
3. Step 3: Cross multiply
   42,772,469.33x = 64,133,082.27 × 13,613,713.29
4. Step 4: Simplify right side
   42,772,469.33x = 873,089,394,427,762.38
5. Step 5: Solve for x
   x = 873,089,394,427,762.38/42,772,469.33
6. Step 6: Final answer
   x = 20,412,415.00