Finding the Fourth Proportional to 7,378,085.31, 10,181,775.78 and 4,115,111.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,378,085.31 : 10,181,775.78 = 4,115,111.42 : x
2. Step 2: Convert to fraction form
   7,378,085.31/10,181,775.78 = 4,115,111.42/x
3. Step 3: Cross multiply
   7,378,085.31x = 10,181,775.78 × 4,115,111.42
4. Step 4: Simplify right side
   7,378,085.31x = 41,899,141,737,248.52
5. Step 5: Solve for x
   x = 41,899,141,737,248.52/7,378,085.31
6. Step 6: Final answer
   x = 5,678,863.82