Finding the Fourth Proportional to 12,812,300.07, 19,214,495.40 and 3,715,068.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,812,300.07 : 19,214,495.40 = 3,715,068.21 : x
2. Step 2: Convert to fraction form
   12,812,300.07/19,214,495.40 = 3,715,068.21/x
3. Step 3: Cross multiply
   12,812,300.07x = 19,214,495.40 × 3,715,068.21
4. Step 4: Simplify right side
   12,812,300.07x = 71,383,161,031,731.23
5. Step 5: Solve for x
   x = 71,383,161,031,731.23/12,812,300.07
6. Step 6: Final answer
   x = 5,571,455.60