Finding the Fourth Proportional to 43,109,443.60, 64,689,048.60 and 16,185,821.20

Step by Step Solution

1. Step 1: Write the proportion equation
   43,109,443.60 : 64,689,048.60 = 16,185,821.20 : x
2. Step 2: Convert to fraction form
   43,109,443.60/64,689,048.60 = 16,185,821.20/x
3. Step 3: Cross multiply
   43,109,443.60x = 64,689,048.60 × 16,185,821.20
4. Step 4: Simplify right side
   43,109,443.60x = 1,047,045,374,237,710.25
5. Step 5: Solve for x
   x = 1,047,045,374,237,710.25/43,109,443.60
6. Step 6: Final answer
   x = 24,288,074.42