Finding the Fourth Proportional to 42,233,990.51, 58,282,906.91 and 22,918,406.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,233,990.51 : 58,282,906.91 = 22,918,406.51 : x
2. Step 2: Convert to fraction form
   42,233,990.51/58,282,906.91 = 22,918,406.51/x
3. Step 3: Cross multiply
   42,233,990.51x = 58,282,906.91 × 22,918,406.51
4. Step 4: Simplify right side
   42,233,990.51x = 1,335,751,353,147,868
5. Step 5: Solve for x
   x = 1,335,751,353,147,868/42,233,990.51
6. Step 6: Final answer
   x = 31,627,400.99