Finding the Fourth Proportional to 10,407,386.30, 15,626,425.76 and 5,805,364.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,407,386.30 : 15,626,425.76 = 5,805,364.35 : x
2. Step 2: Convert to fraction form
   10,407,386.30/15,626,425.76 = 5,805,364.35/x
3. Step 3: Cross multiply
   10,407,386.30x = 15,626,425.76 × 5,805,364.35
4. Step 4: Simplify right side
   10,407,386.30x = 90,717,094,995,998.83
5. Step 5: Solve for x
   x = 90,717,094,995,998.83/10,407,386.30
6. Step 6: Final answer
   x = 8,716,606.88