Finding the Fourth Proportional to 21,851,683.52, 30,155,218.10 and 12,062,042.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,851,683.52 : 30,155,218.10 = 12,062,042.06 : x
2. Step 2: Convert to fraction form
   21,851,683.52/30,155,218.10 = 12,062,042.06/x
3. Step 3: Cross multiply
   21,851,683.52x = 30,155,218.10 × 12,062,042.06
4. Step 4: Simplify right side
   21,851,683.52x = 363,733,509,050,673.31
5. Step 5: Solve for x
   x = 363,733,509,050,673.31/21,851,683.52
6. Step 6: Final answer
   x = 16,645,560.00