Finding the Fourth Proportional to 9,807,832.78, 13,535,456.06 and 5,456,928.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,807,832.78 : 13,535,456.06 = 5,456,928.11 : x
2. Step 2: Convert to fraction form
   9,807,832.78/13,535,456.06 = 5,456,928.11/x
3. Step 3: Cross multiply
   9,807,832.78x = 13,535,456.06 × 5,456,928.11
4. Step 4: Simplify right side
   9,807,832.78x = 73,862,010,601,448.89
5. Step 5: Solve for x
   x = 73,862,010,601,448.89/9,807,832.78
6. Step 6: Final answer
   x = 7,530,920.67