Finding the Fourth Proportional to 55,118,071.66, 82,689,064.10 and 16,778,589.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,118,071.66 : 82,689,064.10 = 16,778,589.31 : x
2. Step 2: Convert to fraction form
   55,118,071.66/82,689,064.10 = 16,778,589.31/x
3. Step 3: Cross multiply
   55,118,071.66x = 82,689,064.10 × 16,778,589.31
4. Step 4: Simplify right side
   55,118,071.66x = 1,387,405,846,962,164.50
5. Step 5: Solve for x
   x = 1,387,405,846,962,164.50/55,118,071.66
6. Step 6: Final answer
   x = 25,171,523.70