Finding the Fourth Proportional to 35,665,949.57, 53,482,062.58 and 13,816,563.26

Step by Step Solution

1. Step 1: Write the proportion equation
   35,665,949.57 : 53,482,062.58 = 13,816,563.26 : x
2. Step 2: Convert to fraction form
   35,665,949.57/53,482,062.58 = 13,816,563.26/x
3. Step 3: Cross multiply
   35,665,949.57x = 53,482,062.58 × 13,816,563.26
4. Step 4: Simplify right side
   35,665,949.57x = 738,938,300,609,897.12
5. Step 5: Solve for x
   x = 738,938,300,609,897.12/35,665,949.57
6. Step 6: Final answer
   x = 20,718,312.83