Finding the Fourth Proportional to 1,110,016.95, 1,664,733.69 and 478,790.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110,016.95 : 1,664,733.69 = 478,790.43 : x
2. Step 2: Convert to fraction form
   1,110,016.95/1,664,733.69 = 478,790.43/x
3. Step 3: Cross multiply
   1,110,016.95x = 1,664,733.69 × 478,790.43
4. Step 4: Simplify right side
   1,110,016.95x = 797,058,559,270.59
5. Step 5: Solve for x
   x = 797,058,559,270.59/1,110,016.95
6. Step 6: Final answer
   x = 718,059.81