Finding the Fourth Proportional to 9,338,490, 12,887,116.20 and 5,264,109

Step by Step Solution

1. Step 1: Write the proportion equation
   9,338,490 : 12,887,116.20 = 5,264,109 : x
2. Step 2: Convert to fraction form
   9,338,490/12,887,116.20 = 5,264,109/x
3. Step 3: Cross multiply
   9,338,490x = 12,887,116.20 × 5,264,109
4. Step 4: Simplify right side
   9,338,490x = 67,839,184,372,465.80
5. Step 5: Solve for x
   x = 67,839,184,372,465.80/9,338,490
6. Step 6: Final answer
   x = 7,264,470.42