Finding the Fourth Proportional to 8,796,667.64, 12,139,385.28 and 5,358,908.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796,667.64 : 12,139,385.28 = 5,358,908.60 : x
2. Step 2: Convert to fraction form
   8,796,667.64/12,139,385.28 = 5,358,908.60/x
3. Step 3: Cross multiply
   8,796,667.64x = 12,139,385.28 × 5,358,908.60
4. Step 4: Simplify right side
   8,796,667.64x = 65,053,856,175,705.40
5. Step 5: Solve for x
   x = 65,053,856,175,705.40/8,796,667.64
6. Step 6: Final answer
   x = 7,395,284.08