Finding the Fourth Proportional to 9,478,685.05, 13,080,956.46 and 5,557,896.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,478,685.05 : 13,080,956.46 = 5,557,896.04 : x
2. Step 2: Convert to fraction form
   9,478,685.05/13,080,956.46 = 5,557,896.04/x
3. Step 3: Cross multiply
   9,478,685.05x = 13,080,956.46 × 5,557,896.04
4. Step 4: Simplify right side
   9,478,685.05x = 72,702,596,107,931.80
5. Step 5: Solve for x
   x = 72,702,596,107,931.80/9,478,685.05
6. Step 6: Final answer
   x = 7,670,114.12