Finding the Fourth Proportional to 12,781,633.50, 19,172,843.91 and 5,589,465.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,781,633.50 : 19,172,843.91 = 5,589,465.30 : x
2. Step 2: Convert to fraction form
   12,781,633.50/19,172,843.91 = 5,589,465.30/x
3. Step 3: Cross multiply
   12,781,633.50x = 19,172,843.91 × 5,589,465.30
4. Step 4: Simplify right side
   12,781,633.50x = 107,165,945,737,261.31
5. Step 5: Solve for x
   x = 107,165,945,737,261.31/12,781,633.50
6. Step 6: Final answer
   x = 8,384,370.10