Finding the Fourth Proportional to 66,447, 91,703.97 and 40,947.93

Step by Step Solution

1. Step 1: Write the proportion equation
   66,447 : 91,703.97 = 40,947.93 : x
2. Step 2: Convert to fraction form
   66,447/91,703.97 = 40,947.93/x
3. Step 3: Cross multiply
   66,447x = 91,703.97 × 40,947.93
4. Step 4: Simplify right side
   66,447x = 3,755,087,744.28
5. Step 5: Solve for x
   x = 3,755,087,744.28/66,447
6. Step 6: Final answer
   x = 56,512.52