Finding the Fourth Proportional to 9,191,843.79, 12,684,640.82 and 5,061,791.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,191,843.79 : 12,684,640.82 = 5,061,791.49 : x
2. Step 2: Convert to fraction form
   9,191,843.79/12,684,640.82 = 5,061,791.49/x
3. Step 3: Cross multiply
   9,191,843.79x = 12,684,640.82 × 5,061,791.49
4. Step 4: Simplify right side
   9,191,843.79x = 64,207,006,931,073.66
5. Step 5: Solve for x
   x = 64,207,006,931,073.66/9,191,843.79
6. Step 6: Final answer
   x = 6,985,215.20