Finding the Fourth Proportional to 13,492,314.32, 18,619,418.24 and 7,380,742.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,492,314.32 : 18,619,418.24 = 7,380,742.82 : x
2. Step 2: Convert to fraction form
   13,492,314.32/18,619,418.24 = 7,380,742.82/x
3. Step 3: Cross multiply
   13,492,314.32x = 18,619,418.24 × 7,380,742.82
4. Step 4: Simplify right side
   13,492,314.32x = 137,425,137,357,456.23
5. Step 5: Solve for x
   x = 137,425,137,357,456.23/13,492,314.32
6. Step 6: Final answer
   x = 10,185,438.48