Finding the Fourth Proportional to 10,921,206.72, 15,071,585.57 and 5,959,968.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921,206.72 : 15,071,585.57 = 5,959,968.39 : x
2. Step 2: Convert to fraction form
   10,921,206.72/15,071,585.57 = 5,959,968.39/x
3. Step 3: Cross multiply
   10,921,206.72x = 15,071,585.57 × 5,959,968.39
4. Step 4: Simplify right side
   10,921,206.72x = 89,826,173,584,380.12
5. Step 5: Solve for x
   x = 89,826,173,584,380.12/10,921,206.72
6. Step 6: Final answer
   x = 8,224,931.17