Finding the Fourth Proportional to 12,781,630.51, 19,172,839.42 and 5,589,462.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,781,630.51 : 19,172,839.42 = 5,589,462.31 : x
2. Step 2: Convert to fraction form
   12,781,630.51/19,172,839.42 = 5,589,462.31/x
3. Step 3: Cross multiply
   12,781,630.51x = 19,172,839.42 × 5,589,462.31
4. Step 4: Simplify right side
   12,781,630.51x = 107,165,863,272,827
5. Step 5: Solve for x
   x = 107,165,863,272,827/12,781,630.51
6. Step 6: Final answer
   x = 8,384,365.61