Finding the Fourth Proportional to 10,658,536.20, 14,955,543 and 10,658,536.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,658,536.20 : 14,955,543 = 10,658,536.20 : x
2. Step 2: Convert to fraction form
   10,658,536.20/14,955,543 = 10,658,536.20/x
3. Step 3: Cross multiply
   10,658,536.20x = 14,955,543 × 10,658,536.20
4. Step 4: Simplify right side
   10,658,536.20x = 159,404,196,456,156.59
5. Step 5: Solve for x
   x = 159,404,196,456,156.59/10,658,536.20
6. Step 6: Final answer
   x = 14,955,543