Finding the Fourth Proportional to 52,117,451.98, 71,922,168.45 and 28,912,579.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,117,451.98 : 71,922,168.45 = 28,912,579.18 : x
2. Step 2: Convert to fraction form
   52,117,451.98/71,922,168.45 = 28,912,579.18/x
3. Step 3: Cross multiply
   52,117,451.98x = 71,922,168.45 × 28,912,579.18
4. Step 4: Simplify right side
   52,117,451.98x = 2,079,455,389,928,117.50
5. Step 5: Solve for x
   x = 2,079,455,389,928,117.50/52,117,451.98
6. Step 6: Final answer
   x = 39,899,406.26