Finding the Fourth Proportional to 10,921,145.36, 16,387,977.29 and 4,443,025.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921,145.36 : 16,387,977.29 = 4,443,025.14 : x
2. Step 2: Convert to fraction form
   10,921,145.36/16,387,977.29 = 4,443,025.14/x
3. Step 3: Cross multiply
   10,921,145.36x = 16,387,977.29 × 4,443,025.14
4. Step 4: Simplify right side
   10,921,145.36x = 72,812,195,068,654.33
5. Step 5: Solve for x
   x = 72,812,195,068,654.33/10,921,145.36
6. Step 6: Final answer
   x = 6,667,084.15