Finding the Fourth Proportional to 28,192,730.69, 42,264,644.01 and 10,909,035.48

Step by Step Solution

1. Step 1: Write the proportion equation
   28,192,730.69 : 42,264,644.01 = 10,909,035.48 : x
2. Step 2: Convert to fraction form
   28,192,730.69/42,264,644.01 = 10,909,035.48/x
3. Step 3: Cross multiply
   28,192,730.69x = 42,264,644.01 × 10,909,035.48
4. Step 4: Simplify right side
   28,192,730.69x = 461,066,501,054,659.50
5. Step 5: Solve for x
   x = 461,066,501,054,659.50/28,192,730.69
6. Step 6: Final answer
   x = 16,354,091.63