Finding the Fourth Proportional to 13,257,978.92, 19,887,808.94 and 4,160,435.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,257,978.92 : 19,887,808.94 = 4,160,435.58 : x
2. Step 2: Convert to fraction form
   13,257,978.92/19,887,808.94 = 4,160,435.58/x
3. Step 3: Cross multiply
   13,257,978.92x = 19,887,808.94 × 4,160,435.58
4. Step 4: Simplify right side
   13,257,978.92x = 82,741,947,917,017.53
5. Step 5: Solve for x
   x = 82,741,947,917,017.53/13,257,978.92
6. Step 6: Final answer
   x = 6,240,917.14