Finding the Fourth Proportional to 21,060,347.58, 31,606,994.34 and 10,824,793.92

Step by Step Solution

1. Step 1: Write the proportion equation
   21,060,347.58 : 31,606,994.34 = 10,824,793.92 : x
2. Step 2: Convert to fraction form
   21,060,347.58/31,606,994.34 = 10,824,793.92/x
3. Step 3: Cross multiply
   21,060,347.58x = 31,606,994.34 × 10,824,793.92
4. Step 4: Simplify right side
   21,060,347.58x = 342,139,200,161,106.44
5. Step 5: Solve for x
   x = 342,139,200,161,106.44/21,060,347.58
6. Step 6: Final answer
   x = 16,245,657.81