Finding the Fourth Proportional to 13,379,482.60, 18,464,193.51 and 7,499,225.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,379,482.60 : 18,464,193.51 = 7,499,225.47 : x
2. Step 2: Convert to fraction form
   13,379,482.60/18,464,193.51 = 7,499,225.47/x
3. Step 3: Cross multiply
   13,379,482.60x = 18,464,193.51 × 7,499,225.47
4. Step 4: Simplify right side
   13,379,482.60x = 138,467,150,123,383.59
5. Step 5: Solve for x
   x = 138,467,150,123,383.59/13,379,482.60
6. Step 6: Final answer
   x = 10,349,215.61