Finding the Fourth Proportional to 35,389,806.78, 48,826,253.88 and 28,852,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   35,389,806.78 : 48,826,253.88 = 28,852,196.76 : x
2. Step 2: Convert to fraction form
   35,389,806.78/48,826,253.88 = 28,852,196.76/x
3. Step 3: Cross multiply
   35,389,806.78x = 48,826,253.88 × 28,852,196.76
4. Step 4: Simplify right side
   35,389,806.78x = 1,408,744,683,999,473.50
5. Step 5: Solve for x
   x = 1,408,744,683,999,473.50/35,389,806.78
6. Step 6: Final answer
   x = 39,806,509.62