Finding the Fourth Proportional to 30,624,568.50, 42,261,372.42 and 16,686,038.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,624,568.50 : 42,261,372.42 = 16,686,038.15 : x
2. Step 2: Convert to fraction form
   30,624,568.50/42,261,372.42 = 16,686,038.15/x
3. Step 3: Cross multiply
   30,624,568.50x = 42,261,372.42 × 16,686,038.15
4. Step 4: Simplify right side
   30,624,568.50x = 705,174,872,365,824.50
5. Step 5: Solve for x
   x = 705,174,872,365,824.50/30,624,568.50
6. Step 6: Final answer
   x = 23,026,442.72