Finding the Fourth Proportional to 16,985,631.96, 25,478,492.90 and 7,886,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,985,631.96 : 25,478,492.90 = 7,886,574.72 : x
2. Step 2: Convert to fraction form
   16,985,631.96/25,478,492.90 = 7,886,574.72/x
3. Step 3: Cross multiply
   16,985,631.96x = 25,478,492.90 × 7,886,574.72
4. Step 4: Simplify right side
   16,985,631.96x = 200,938,037,969,406.59
5. Step 5: Solve for x
   x = 200,938,037,969,406.59/16,985,631.96
6. Step 6: Final answer
   x = 11,829,882.95