Finding the Fourth Proportional to 9,478,902.49, 13,081,256.31 and 5,558,113.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,478,902.49 : 13,081,256.31 = 5,558,113.69 : x
2. Step 2: Convert to fraction form
   9,478,902.49/13,081,256.31 = 5,558,113.69/x
3. Step 3: Cross multiply
   9,478,902.49x = 13,081,256.31 × 5,558,113.69
4. Step 4: Simplify right side
   9,478,902.49x = 72,707,109,779,009.89
5. Step 5: Solve for x
   x = 72,707,109,779,009.89/9,478,902.49
6. Step 6: Final answer
   x = 7,670,414.36