Finding the Fourth Proportional to 72,791,256.41, 109,241,112.84 and 53,410,563.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,791,256.41 : 109,241,112.84 = 53,410,563.48 : x
2. Step 2: Convert to fraction form
   72,791,256.41/109,241,112.84 = 53,410,563.48/x
3. Step 3: Cross multiply
   72,791,256.41x = 109,241,112.84 × 53,410,563.48
4. Step 4: Simplify right side
   72,791,256.41x = 5,834,629,391,966,663
5. Step 5: Solve for x
   x = 5,834,629,391,966,663/72,791,256.41
6. Step 6: Final answer
   x = 80,155,635.16