Finding the Fourth Proportional to 10,905,066.32, 16,357,597.20 and 2,926,890.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,905,066.32 : 16,357,597.20 = 2,926,890.32 : x
2. Step 2: Convert to fraction form
   10,905,066.32/16,357,597.20 = 2,926,890.32/x
3. Step 3: Cross multiply
   10,905,066.32x = 16,357,597.20 × 2,926,890.32
4. Step 4: Simplify right side
   10,905,066.32x = 47,876,892,903,139.10
5. Step 5: Solve for x
   x = 47,876,892,903,139.10/10,905,066.32
6. Step 6: Final answer
   x = 4,390,334.87