Finding the Fourth Proportional to 22,100,729.48, 30,499,323.36 and 12,683,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100,729.48 : 30,499,323.36 = 12,683,055.50 : x
2. Step 2: Convert to fraction form
   22,100,729.48/30,499,323.36 = 12,683,055.50/x
3. Step 3: Cross multiply
   22,100,729.48x = 30,499,323.36 × 12,683,055.50
4. Step 4: Simplify right side
   22,100,729.48x = 386,824,610,887,326.50
5. Step 5: Solve for x
   x = 386,824,610,887,326.50/22,100,729.48
6. Step 6: Final answer
   x = 17,502,798.32