Finding the Fourth Proportional to 108,888,215.45, 150,233,501.43 and 64,799,870.09

Step by Step Solution

1. Step 1: Write the proportion equation
   108,888,215.45 : 150,233,501.43 = 64,799,870.09 : x
2. Step 2: Convert to fraction form
   108,888,215.45/150,233,501.43 = 64,799,870.09/x
3. Step 3: Cross multiply
   108,888,215.45x = 150,233,501.43 × 64,799,870.09
4. Step 4: Simplify right side
   108,888,215.45x = 9,735,111,375,078,662
5. Step 5: Solve for x
   x = 9,735,111,375,078,662/108,888,215.45
6. Step 6: Final answer
   x = 89,404,637.00