Finding the Fourth Proportional to 56,640,665.16, 84,961,493.46 and 18,302,185.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,640,665.16 : 84,961,493.46 = 18,302,185.80 : x
2. Step 2: Convert to fraction form
   56,640,665.16/84,961,493.46 = 18,302,185.80/x
3. Step 3: Cross multiply
   56,640,665.16x = 84,961,493.46 × 18,302,185.80
4. Step 4: Simplify right side
   56,640,665.16x = 1,554,981,039,150,404.75
5. Step 5: Solve for x
   x = 1,554,981,039,150,404.75/56,640,665.16
6. Step 6: Final answer
   x = 27,453,438.88