Finding the Fourth Proportional to 79,621,436.36, 109,820,981.71 and 53,146,441.74

Step by Step Solution

1. Step 1: Write the proportion equation
   79,621,436.36 : 109,820,981.71 = 53,146,441.74 : x
2. Step 2: Convert to fraction form
   79,621,436.36/109,820,981.71 = 53,146,441.74/x
3. Step 3: Cross multiply
   79,621,436.36x = 109,820,981.71 × 53,146,441.74
4. Step 4: Simplify right side
   79,621,436.36x = 5,836,594,406,280,120
5. Step 5: Solve for x
   x = 5,836,594,406,280,120/79,621,436.36
6. Step 6: Final answer
   x = 73,304,309.41