Finding the Fourth Proportional to 10,485,061.76, 15,733,242.72 and 4,423,994.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485,061.76 : 15,733,242.72 = 4,423,994.36 : x
2. Step 2: Convert to fraction form
   10,485,061.76/15,733,242.72 = 4,423,994.36/x
3. Step 3: Cross multiply
   10,485,061.76x = 15,733,242.72 × 4,423,994.36
4. Step 4: Simplify right side
   10,485,061.76x = 69,603,777,057,791.07
5. Step 5: Solve for x
   x = 69,603,777,057,791.07/10,485,061.76
6. Step 6: Final answer
   x = 6,638,375.50