Finding the Fourth Proportional to 10,209,344.86, 14,088,714.24 and 5,563,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,209,344.86 : 14,088,714.24 = 5,563,162.72 : x
2. Step 2: Convert to fraction form
   10,209,344.86/14,088,714.24 = 5,563,162.72/x
3. Step 3: Cross multiply
   10,209,344.86x = 14,088,714.24 × 5,563,162.72
4. Step 4: Simplify right side
   10,209,344.86x = 78,377,809,832,701.12
5. Step 5: Solve for x
   x = 78,377,809,832,701.12/10,209,344.86
6. Step 6: Final answer
   x = 7,677,065.56