Finding the Fourth Proportional to 53,961,638.72, 80,902,567.16 and 28,016,689.12

Step by Step Solution

1. Step 1: Write the proportion equation
   53,961,638.72 : 80,902,567.16 = 28,016,689.12 : x
2. Step 2: Convert to fraction form
   53,961,638.72/80,902,567.16 = 28,016,689.12/x
3. Step 3: Cross multiply
   53,961,638.72x = 80,902,567.16 × 28,016,689.12
4. Step 4: Simplify right side
   53,961,638.72x = 2,266,622,073,131,641.50
5. Step 5: Solve for x
   x = 2,266,622,073,131,641.50/53,961,638.72
6. Step 6: Final answer
   x = 42,004,322.46