Finding the Fourth Proportional to 12,594,089.98, 18,866,782.72 and 10,548,042.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,594,089.98 : 18,866,782.72 = 10,548,042.13 : x
2. Step 2: Convert to fraction form
   12,594,089.98/18,866,782.72 = 10,548,042.13/x
3. Step 3: Cross multiply
   12,594,089.98x = 18,866,782.72 × 10,548,042.13
4. Step 4: Simplify right side
   12,594,089.98x = 199,007,618,988,116
5. Step 5: Solve for x
   x = 199,007,618,988,116/12,594,089.98
6. Step 6: Final answer
   x = 15,801,667.23