Finding the Fourth Proportional to 16,713,111.33, 25,037,386.47 and 12,328,526.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,713,111.33 : 25,037,386.47 = 12,328,526.25 : x
2. Step 2: Convert to fraction form
   16,713,111.33/25,037,386.47 = 12,328,526.25/x
3. Step 3: Cross multiply
   16,713,111.33x = 25,037,386.47 × 12,328,526.25
4. Step 4: Simplify right side
   16,713,111.33x = 308,674,076,326,789.81
5. Step 5: Solve for x
   x = 308,674,076,326,789.81/16,713,111.33
6. Step 6: Final answer
   x = 18,468,977.45