Finding the Fourth Proportional to 21,866,039.04, 30,174,956.72 and 12,077,154.24

Step by Step Solution

1. Step 1: Write the proportion equation
   21,866,039.04 : 30,174,956.72 = 12,077,154.24 : x
2. Step 2: Convert to fraction form
   21,866,039.04/30,174,956.72 = 12,077,154.24/x
3. Step 3: Cross multiply
   21,866,039.04x = 30,174,956.72 × 12,077,154.24
4. Step 4: Simplify right side
   21,866,039.04x = 364,427,606,492,764.50
5. Step 5: Solve for x
   x = 364,427,606,492,764.50/21,866,039.04
6. Step 6: Final answer
   x = 16,666,375.00