Finding the Fourth Proportional to 7,180,234.56, 9,907,368.50 and 4,279,895.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,180,234.56 : 9,907,368.50 = 4,279,895.30 : x
2. Step 2: Convert to fraction form
   7,180,234.56/9,907,368.50 = 4,279,895.30/x
3. Step 3: Cross multiply
   7,180,234.56x = 9,907,368.50 × 4,279,895.30
4. Step 4: Simplify right side
   7,180,234.56x = 42,402,499,878,518.05
5. Step 5: Solve for x
   x = 42,402,499,878,518.05/7,180,234.56
6. Step 6: Final answer
   x = 5,905,447.73