Finding the Fourth Proportional to 13,365,796.42, 20,057,128.71 and 5,689,429.66

Step by Step Solution

1. Step 1: Write the proportion equation
   13,365,796.42 : 20,057,128.71 = 5,689,429.66 : x
2. Step 2: Convert to fraction form
   13,365,796.42/20,057,128.71 = 5,689,429.66/x
3. Step 3: Cross multiply
   13,365,796.42x = 20,057,128.71 × 5,689,429.66
4. Step 4: Simplify right side
   13,365,796.42x = 114,113,622,977,111.55
5. Step 5: Solve for x
   x = 114,113,622,977,111.55/13,365,796.42
6. Step 6: Final answer
   x = 8,537,734.63