Finding the Fourth Proportional to 9,116,236.62, 12,584,280.15 and 5,680,175.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,116,236.62 : 12,584,280.15 = 5,680,175.31 : x
2. Step 2: Convert to fraction form
   9,116,236.62/12,584,280.15 = 5,680,175.31/x
3. Step 3: Cross multiply
   9,116,236.62x = 12,584,280.15 × 5,680,175.31
4. Step 4: Simplify right side
   9,116,236.62x = 71,480,917,402,153.09
5. Step 5: Solve for x
   x = 71,480,917,402,153.09/9,116,236.62
6. Step 6: Final answer
   x = 7,841,055.51