Finding the Fourth Proportional to 12,725,903.88, 19,088,856 and 10,477,317.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,725,903.88 : 19,088,856 = 10,477,317.96 : x
2. Step 2: Convert to fraction form
   12,725,903.88/19,088,856 = 10,477,317.96/x
3. Step 3: Cross multiply
   12,725,903.88x = 19,088,856 × 10,477,317.96
4. Step 4: Simplify right side
   12,725,903.88x = 200,000,013,804,653.78
5. Step 5: Solve for x
   x = 200,000,013,804,653.78/12,725,903.88
6. Step 6: Final answer
   x = 15,715,977.09