Finding the Fourth Proportional to 42,092,597.43, 63,140,665.19 and 20,545,322.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,092,597.43 : 63,140,665.19 = 20,545,322.09 : x
2. Step 2: Convert to fraction form
   42,092,597.43/63,140,665.19 = 20,545,322.09/x
3. Step 3: Cross multiply
   42,092,597.43x = 63,140,665.19 × 20,545,322.09
4. Step 4: Simplify right side
   42,092,597.43x = 1,297,245,302,886,971.25
5. Step 5: Solve for x
   x = 1,297,245,302,886,971.25/42,092,597.43
6. Step 6: Final answer
   x = 30,818,846.59