Finding the Fourth Proportional to 21,353,194.61, 32,029,675.25 and 5,179,114.61

Step by Step Solution

1. Step 1: Write the proportion equation
   21,353,194.61 : 32,029,675.25 = 5,179,114.61 : x
2. Step 2: Convert to fraction form
   21,353,194.61/32,029,675.25 = 5,179,114.61/x
3. Step 3: Cross multiply
   21,353,194.61x = 32,029,675.25 × 5,179,114.61
4. Step 4: Simplify right side
   21,353,194.61x = 165,885,358,854,786.47
5. Step 5: Solve for x
   x = 165,885,358,854,786.47/21,353,194.61
6. Step 6: Final answer
   x = 7,768,643.61