Finding the Fourth Proportional to 10,209,343.86, 14,088,712.86 and 5,563,161.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,209,343.86 : 14,088,712.86 = 5,563,161.72 : x
2. Step 2: Convert to fraction form
   10,209,343.86/14,088,712.86 = 5,563,161.72/x
3. Step 3: Cross multiply
   10,209,343.86x = 14,088,712.86 × 5,563,161.72
4. Step 4: Simplify right side
   10,209,343.86x = 78,377,788,066,823.72
5. Step 5: Solve for x
   x = 78,377,788,066,823.72/10,209,343.86
6. Step 6: Final answer
   x = 7,677,064.18