Finding the Fourth Proportional to 19,404,360.90, 29,120,538.15 and 10,875,644.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,404,360.90 : 29,120,538.15 = 10,875,644.10 : x
2. Step 2: Convert to fraction form
   19,404,360.90/29,120,538.15 = 10,875,644.10/x
3. Step 3: Cross multiply
   19,404,360.90x = 29,120,538.15 × 10,875,644.10
4. Step 4: Simplify right side
   19,404,360.90x = 316,704,608,919,872.38
5. Step 5: Solve for x
   x = 316,704,608,919,872.38/19,404,360.90
6. Step 6: Final answer
   x = 16,321,311.00