Finding the Fourth Proportional to 9,638,728.57, 13,300,598.28 and 5,507,939.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638,728.57 : 13,300,598.28 = 5,507,939.98 : x
2. Step 2: Convert to fraction form
   9,638,728.57/13,300,598.28 = 5,507,939.98/x
3. Step 3: Cross multiply
   9,638,728.57x = 13,300,598.28 × 5,507,939.98
4. Step 4: Simplify right side
   9,638,728.57x = 73,258,897,024,331.23
5. Step 5: Solve for x
   x = 73,258,897,024,331.23/9,638,728.57
6. Step 6: Final answer
   x = 7,600,473.08