Finding the Fourth Proportional to 10,006,557.08, 13,809,060.72 and 5,422,878.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,006,557.08 : 13,809,060.72 = 5,422,878.48 : x
2. Step 2: Convert to fraction form
   10,006,557.08/13,809,060.72 = 5,422,878.48/x
3. Step 3: Cross multiply
   10,006,557.08x = 13,809,060.72 × 5,422,878.48
4. Step 4: Simplify right side
   10,006,557.08x = 74,884,858,207,501.31
5. Step 5: Solve for x
   x = 74,884,858,207,501.31/10,006,557.08
6. Step 6: Final answer
   x = 7,483,578.78