Finding the Fourth Proportional to 13,002,784.34, 17,943,974.25 and 7,845,149.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002,784.34 : 17,943,974.25 = 7,845,149.30 : x
2. Step 2: Convert to fraction form
   13,002,784.34/17,943,974.25 = 7,845,149.30/x
3. Step 3: Cross multiply
   13,002,784.34x = 17,943,974.25 × 7,845,149.30
4. Step 4: Simplify right side
   13,002,784.34x = 140,773,157,026,605.53
5. Step 5: Solve for x
   x = 140,773,157,026,605.53/13,002,784.34
6. Step 6: Final answer
   x = 10,826,385.59