Finding the Fourth Proportional to 6,128,696.58, 9,186,658.83 and 3,429,063.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128,696.58 : 9,186,658.83 = 3,429,063.78 : x
2. Step 2: Convert to fraction form
   6,128,696.58/9,186,658.83 = 3,429,063.78/x
3. Step 3: Cross multiply
   6,128,696.58x = 9,186,658.83 × 3,429,063.78
4. Step 4: Simplify right side
   6,128,696.58x = 31,501,639,053,170.18
5. Step 5: Solve for x
   x = 31,501,639,053,170.18/6,128,696.58
6. Step 6: Final answer
   x = 5,140,022.62