Finding the Fourth Proportional to 13,091,028.52, 19,623,069.26 and 5,807,918.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,091,028.52 : 19,623,069.26 = 5,807,918.18 : x
2. Step 2: Convert to fraction form
   13,091,028.52/19,623,069.26 = 5,807,918.18/x
3. Step 3: Cross multiply
   13,091,028.52x = 19,623,069.26 × 5,807,918.18
4. Step 4: Simplify right side
   13,091,028.52x = 113,969,180,673,513.55
5. Step 5: Solve for x
   x = 113,969,180,673,513.55/13,091,028.52
6. Step 6: Final answer
   x = 8,705,899.66